Periódicos Internacionais
| 2026 | |
|---|---|
| 01 | . P. C. do Nascimento, F. F. do Carmo, F. E. A. Nogueira, M. A. S. da Silva,C. Singh , R. S. da Silva , A. R. de Alexandria , A. S. B. Sombra. Approaches to contactless optical thermometer employing LaNbO4:Er3+ single-crystal fibers.Journal of Physics and Chemistry of Solids 211 (2026) ., (2026). DOI.org/10.1016/j.jpcs.2025.113439 |
| 02 | . Lindemberg S. Oliveira , Marcelo A.S. Silva , Gilberto D. Saraiva , Raí F. Juca,Antonio S.B. Sombra, Ralph Santos-Oliveira, Danielo G. Gomes , Pierre B.A. Fechine. Dielectric performance of (Bi2Mo2O9)1-X:(Al2O3)X ceramic composites for microwave applications.Journal of Physics and Chemistry of Solids 211 (2026) ., (2026). DOI.org/10.1016/j.mseb.2025.118715 |
| 2025 | |
| 01 | Hilton B. da Silva, Luiz F. Lobato, Raí F. Juca, Francisco G.S. Oliveira, Jose S. Sarmento, Pierre B.A. Fechine, A.J. Ramiro de Castro f, A.M.R. Teixeira g, W. Paraguassu h, Francisco F. de Sousa , Joao M. Soares, M.A.S. Silva, A.S.B. Sombra, Gilberto D. Saraiva. Vibrational, optical, electronic and electrocatalytic properties of SrCuSi4O10 ceramic.Physica B 696 (2025) 416634., (2024). DOI.org/10.1016/j.physb.2024.416634 |
| 02 | Raphael Victor Barros Campos, Francisco Enilton Alves Nogueira,* Joaõ Paulo Costa do Nascimento, Felipe Felix do Carmo, Marcelo Antonio Santos da Silva, Sergio Paulo Marcondes, Antonio C. Hernandes, Svetlana V. Boriskina, Luis Marcelo Lozano Sánchez and Antonio Sergio Bezerra Sombra. High-Performance Piezoelectric Generator Based on a Monocrystalline LiNbO3 Fiber.Cryst. Growth Des. 2025, Volume 25/Issue 3., (2025). DOI.org/10.1021/acs.cgd.4c01447 |
| 03 | Diego da Mota Colares, Roterdan Fernandes Abreu, Francisco Alekson Chaves Nobrega, João Paulo Costa do Nascimento, Daniel Barros de Freitas, Felipe Felix do Carmo, Tallison Oliveira Abreu, Marcelo Antonio Santos da Silva, Ronaldo Santos da Silva, Antonio Sérgio Bezerra Sombra. Effect of Bi 2O3 addition on the dielectric properties in radio frequency range of the BiCu3Ti3FeO12 matrix.Emergent Materials / Springer Nature Switzerland AG 2025., (2025). DOI.org/10.1007/s42247-025-01001-2 |
| 04 | H. de O. Barros , R.F. Abreu , F.E.A. Nogueira, W.V. de Sousa, F.F. do Carmo , T.O. Abreu, J.E.V. de Morais, J.P.C. do Nascimento, M.A.S. da Silva , R.S. da Silva , S.V. Trukhanov, C. Singh, A.S.B. Sombra. Evaluation of dielectric properties at the radio frequency region of the ZnNb2O6 – CaTiO3 composites.Materials Chemistry and Physics 334 (2025) 130414., (2025). DOI.org/10.1016/j.matchemphys.2025.130414 |
| 05 | Joao Paulo Costa do Nascimento, Felipe Felix do Carmo,Antonio Jefferson Mangueira Sales, Juscelino Chaves Sales,Antonio Eufrazio da Costa Júnior , Claudenilson da Silva Clemente , Selma Elaine Mazzetto, Antonio Sergio Bezerra Sombra. Evaluation of the performance of a graphene oxide microstrip antenna-based sensor for CO2 gas sensing.Materials Letters 385 (2025) 138204., (2025). DOI.org/10.1016/j.matlet.2025.138204 |
| 06 | JPaulo M. O. Silva, Roterdan F. Abreu,Francisco E. A. Nogueira,João P. C. do Nascimento, Daniel B. Freitas, Francisco F. do Carmo, Marcelo A. S. Silva, José A. Cruz, Rogério R. Pezarini, João Manuel R. S. Tavares, and Antônio S. B. Sombra. Optimization of Microwave Dielectric Properties of (100-X) BaBi4Ti4O15 – (X)Nb2O5 Composites for Microwave.Phys. Status Solidi A 2025, 2400831 2400831 (1 of 12)., (2025). DOI.org/10.1002/pssa.202400831 |
| 07 | T.A. Magalhaes , J.S. Sarmento , M.A.S. Silva , A.S.B. Sombra , V. Stascxak-Neto, A.P. Ayala , C.W.A. Paschoal , P.B.A. Fechine. Dielectric properties of YTaO4 electroceramic for microwave and radiofrequency applications.Materials Science and Engineering B 317 (2025) 118169., (2025). DOI.org/10.1016/j.mseb.2025.118169 |
| 08 | Tallison Oliveira Abreu, Felipe Felix do Carmo, João Paulo Costa do Nascimento, Marcelo Antonio Santos da Silva, Roterdan Fernandes Abreu, Francisco Enilton Alves Nogueira, Franscisco Alekson Chaves Nobrega, Ronaldo Santos da Silva, Sergei V. Trukhanov, Di Zhou, Charanjeet Singh, Antonio Sergio Bezerra Sombra. High-sensitive upconversion optical thermometers derived of Y(Nb0.5Ti0.5)2O6:Er3+/Yb3+ phosphors under 808 nm and 980 nm excitation.Applied Physics A (2025) 131:41., (2025). DOI.org/10.1007/s00339-024-08148-5 |
| 09 | R. F. Abreu, S. O. Saturno, D. da M. Colares, F. A. C. Nobrega, P. M. O. Silva, F. F. do Carmo, J. P. C. do Nascimento, T. O. Abreu, J. C. Sales, M. A. S. da Silva, R. S. da Silva, A. S. B. Sombra. Increased thermal stability and dielectric properties of Ba2TiSi2O8- CaTiO 3 composites for high frequency applications.Applied Physics A (2025) 131:391., (2025). DOI.org/10.1007/s00339-025-08516-9 |
| 10 | Vanja Fontenele Nunesa, Francisco Marcone Lima, João Pedro Santana Mota,Ana Fabíola Leite Almeida, Francisco Nivaldo Aguiar Freire,Antônio Sérgio Bezerra Sombra. Strong NIR thermal enhancement in LaNbO4:Er3+ single crystal fibers: An ultrasensitive upconversion optical thermometer.Journal of Alloys and Compounds 1028 (2025) 180713., (2025). DOI.org/10.1016/j.jallcom.2025.180713 |
| 11 | Felipe F. do Carmo, Joao P.C. do Nascimento, Francisco E.A. Nogueira, Marcelo A.S. da Silva , C. Singh, Ronaldo S. da Silva , Antonio S.B. Sombra. Synthesis and Application of SnCl2.H2O/ZnO Photoanodes.Materials Research. 2025; 28:e20240551., (2025). DOI.org/10.1590/1980-5373 |
| 12 | Francisco Enilton Alves Nogueira,Felipe Felix Do Carmo, Raphael Victor Barros Campos, Joaõ Paulo Costa Do Nascimento,* Marcelo Antonio Santos da Silva, Sergio Paulo Marcondes, Antonio C. Hernandes, Svetlana V. Boriskina, Luis Marcelo Lozano Sánchez, and Antonio Sergio Bezerra Sombra. New Piezoelectric Generator (PG) Based on a Lithium Tantalate(LiTaO3) Monocrystal Fiber.Crystal Growth & Design. 2025, 25, 5330−5337., (2025). DOI.org/10.1021/acs.cgd.5c00476 |
| 13 | Antonio Jefferson Mangueira Sales, Stephen Rathinaraj Benjamin , João Paulo Costa do Nascimento,Felipe Félix do Carmo , Juscelino Chaves Sales, Roterdan Fernandes Abreu, Francisco Enilton Alves Nogueira , Paulo Maria de Oliveira Silva , Marcelo Antonio Santos da Silva, José Adauto da Cruz , Enio Pontes de Deus and Antonio Sergio Bezerra Sombra. Development of a Hydrogen-Sensing Antenna Operating in the Microwave Region for Applications in Safety-Critical Systems.Chemosensors 2025, 13, 233., (2025). DOI.org/10.3390/chemosensors13070233 |
| 14 | F.A.C. Nobrega, E.A.W. Menezes, R. Reichenbacher, C. Scheffler, R.F. Abreu,E.F. Morais, C.M.B. Cordeiro , A. Spickenheuer, S.C. Amico, A.S.B. Sombra. Simple and efficient optical fiber recoating procedure.Materials Letters: X 26 (2025) 100248., (2025). DOI.org/10.1016/j.mlblux.2025.100248 |
| 15 | D. da M. Colares , R.F. Abreu, F.A.C. Nobrega, J.P.C. do Nascimento,F.F. do Carmo , M.A.S. Silva, R.S. da Silva, C. Singh, R. Lacerda, A.S.B. Sombra. Effect OF SrTiO3 addition on the thermal stability OF Ba2TiSi2O8 matrix in the radio frequency range .Ceramics International ., (2025). DOI.org/10.1016/j.ceramint.2025.07.315 |
| 16 | Vanja Fontenele Nunes, Paulo Herbert França Maia Júnior, Francisco Marcone Lima , João Pedro Santana Mota , Francisco Nivaldo Aguiar Freire , Antônio Sérgio Bezerra Sombra. Zinc Oxide Films Deposited on ITO Through Electrophoresis .Fine Chemical Engineering., (2025). DOI.org/10.37256/fce.6220257263 |
| 17 | Rajat Joshi, Jasbir Singh, Preksha Dhruv, Rajshree Jotania, Souad Ammar-Merah, A.S.B. Sombra,Charanjeet Singh. Fabrication of Co-Hf Doped Ba-Sr Hexagonal Ferrite for Economical and Lightweight Microwave Absorber Application: Functionalization of Structural, Morphological,Hysteresis, Electromagnetic Metrics and Tunable Bandwidth .IEEE Transactions on Magnetics., (2025). DOI.org/10.1109/TMAG.2025.3595173 |
| 18 | Eduardo V. Araújo, Raphael V. B. Campos, Marcelo A. S. Silva, Antônio S. B. Sombra, Luciana M. R. Alencar, Alan S. de Menezes, Ralph Santos-Oliveira, Danielo G. Gomes, Juliano C. Denardin, Rafael M. Freire, Pierre B. A. Fechine. Tunable dielectric and microwave properties of epoxy composites with CoFe₂O₄ and MgFe₂O₄ spinel ferrites .Applied Physics A (2025) 131:708., (2025). DOI.org/10.1007/s00339-025-08857-5 |
| 19 | R. F. Abreu, D. da M. Colares, P. M. O. Silva, F. A. C. Nobrega, D. B. de Freitas,J. P. C. do Nascimento, F. F. do Carmo, J. C. Sales, T. O. Abreu, M. A. S. Silva, R. S. Silva, C. Singh, R. de Lacerda, and A. S. B. Sombra. Impedance spectroscopy and thermal stability study of the Ba2TiSi2O8–CaTiO3 composites for radio frequency applications.Journal Materials Science : Materilas in Electronics (2025) 36:1570., (2025). DOI.org/10.1007/s10854-025-15615-z |
| 20 | Vanja F. Nunes, Paulo H. F. M. Júnior, Francisco M. Lima, João P. Santana, Francisco N. A. Freire and Antonio S. B. Sombra. Photovoltaic activity of tin doped ultrasound ZnO films in DSSCs.Discover Electrochemistry (2025) 2:43., (2025). DOI.org/10.1007/s44373-025-00058-2 |
| 21 | Raí F. Jucá,José Gadelha da Silva Filho, Lindemberg S. Oliveira, Antônio Joel Ramiro de Castro, Marcelo A. S. Silva, Antonio Sérgio B. Sombra, Pierre Basílio Almeida Fechine, Joaõ Maria Soares, Antônio César Honorato Barreto, Paulo T. C. Freire, and Gilberto Dantas Saraiva.Experimental and Theoretical Investigations on the Structural, Electronic, and Vibrational Properties of β‑Bi2Mo2O9 Dibismuth Dimolybdenum.Journal of Physical Chemistry C., (2025). DOI.org/10.1021/acs.jpcc.5c04920 |
| 2024 | |
| 01 | T.H. de Vasconcelos, H.de O. Barros , R.V.B. Campos, F.F. do Carmo,J.P.C. do Nascimento, D.X. Gouveia , M.A.S. Silva, A.J.M. Sales , R.S. Silva e,A.S.B. Sombra. Dielectric properties of ZnNb2O6-ZnTiNb2O8 composites for microwave applications.Journal of Physics and Chemistry of Solids 184 (2024) 111705., (2024). DOI.org/10.1016/j.jpcs.2023.111705 |
| 02 | R. F. Abreu, S. O. Saturno, F. A. C. Nobrega, D. da M. Colares, J. P. C. do Nascimento, S. J. T. Vasconcelos, F. E. A. Nogueira, D. B. de Freitas, F. F. do Carmo, A. Ghosh, T. O. Abreu , M. A. S. Silva , R. S. Silva, S. V. Trukhanov, Di Zhou, C. Singh and · A. S. B. Sombra. Study of electrical properties with temperature variation by complex impedance spectroscopy (CIS) and effects on the Ba2TiSi2O8–TiO2 matrix.Applied Physics A (2024) 130:138., (2024). DOI.org/10.1007/s00339-024-07295-z |
| 03 | T. O. Abreu, K. J. A. Gurgel, J. P. C. do Nascimento , F. E. A. Nogueira, M. A. S. Silva, F. F. do Carmo, R. F. Abreu, A. Ghosh, and A. S. B. Sombra. Evaluation of the effect of the addition of TiO2 on the dielectric behaviour of YNbO4 ceramic using impedance spectroscopy.J Mater Sci: Mater Electron (2024) 35:570., (2024). DOI.org/10.1007/s10854-024-12315-y |
| 04 | J.C. Sales, F.A.C. Nobrega, J.P.C. do Nascimento, A.J.M. Sales, W.V. de Sousa , F.F. Carmo, R.F. Abreu, M.A.S. Silva, A.S.B. Sombra. Influence of TiO2 addition on the Mg4Nb2O9 ceramic phase and its application in the radiofrequency region.Materials Today: Proceedings., (2024). DOI.org/10.1016/j.matpr.2024.04.089 |
| 05 | Felipe Felix do Carmo, Antonio Jefferson Mangueira Sales, João Paulo Costa do Nascimento, Antonio Eufrazio da Costa Júnior, Claudenilson da Silva Clemente, Selma Elaine Mazzetto, Saulo Macedo Maia, Rômulo Lopes Frutuoso, Tarique da Silveira Cavalcante, Cleidson Cavalcante, Júlio Daniel Siqueira Vieira, Jose Alvaro Buffalo Biz, Carlos Roberto Ribeiro de Carvalho and Antonio Sergio Bezerra Sombra. Graphene oxide microstrip antenna-based sensor for oxygen gas sensing in medical applications.Physica Scripta 99 (2024) 075925 © 2024 IOP Publishing Ltd., (2024). DOI.org/10.1088/1402-4896/ad5055 |
| 06 | Francisco Enilton Alves Nogueira, Raphael Victor Barros Campos, João Paulo Costa do Nascimento, Felipe Felix do Carmo, Marcelo Antonio Santos da Silva, Sergio Paulo Marcondes, Antonio Carlos Hernandes, Antonio Sergio Bezerra Sombra. Piezoelectric temperature acoustic sensor of LiNbO3 crystal fibers operating at radio frequencies.Journal of Crystal Growth Volume 643, 1 October 2024, 127799., (2024). DOI.org/10.1016/j.jcrysgro.2024.127799 |
| 07 | T.A. Magalhaes, M.A.S. Silva , A.S.B. Sombra, P.B.A. Fechine. Study of the dielectric properties of Y3TaO7 electroceramic.Physica B 690 (2024) 416259., (2024). DOI.org/10.1016/j.physb.2024.416259 |
| 08 | Francisco Enilton Alves Nogueira, João Paulo Costa do Nascimento,Tallison Oliveira Abreu, Roterdan Fernandes Abreu, Anupama Ghosh,Felipe Felix do Carmo, Marcelo Antonio Santos da Silva, Ronaldo Santos da Silva,S. V. Trukhanov, Di Zhou, C. Singh, and Antonio Sergio Bezerra Sombra. Elevated thermal stability of the dielectric Properties of CaMoO4–TiO2 composites under temperature variations.J Mater Sci: Mater Electron (2024) 35:1470., (2024). DOI.org/10.1007/s10854-024-13227-7 |
| 09 | Kaio Jonathas Alencar Gurgel, Francisco Enilton Alves Nogueira,Daniel Barros de Freitas, João Paulo Costa do Nascimento, Tallison Oliveira Abreu,Paulo Maria de Oliveira Silva, Felipe Felix do Carmo, Marcelo Antonio Santos da Silva, Ronaldo Santos da Silva, and Antonio Sergio Bezerra Sombra. Improved Temperature Sensitivity of the Microwave and Radiofrequency Properties of the Ceramic Matrix Li2LaNbTiO7.Phys. Status Solidi A 2024, 2400480., (2024). DOI.org/10.1002/pssa.202400480 |
| 10 | F.A. C. Nobrega, R. F. Abreu, D. da M. Colares, D. B. de Freitas, M. A. S. da Silva, F. F. do Carmo,J. P. C do Nascimento,J. C. Sales,F. E. A. Nogueira, V. C. Martins, R. S. da Silva,T. O. Abreu,S. V. Trukhanov,Di Zhou, C. Singh,A. S. B. Sombra. Improved radio-frequency dielectric properties of novel highpermittivity BaMoO4 matrix with CaTiO3 addition.Applied Physics A (2024) 130:642., (2024). DOI.org/10.1007/s00339-024-07800-4 |
| 11 | Helenilson de O. Barros , Roterdan F. Abreu, Tallison O. Abreu , Wellington V. de Sousa, Francisco E.A. Nogueira , Felipe F. do Carmo, Jose E.V. de Morais, Joao P.C. do Nascimento, Marcelo A.S. da Silva, Ronaldo S. da Silva, Sergei V. Trukhanov, Di Zhou, Charanjeet Singh, Antonio S.B. Sombra. High thermal stability of the microwave dielectric properties of ZnNb2O6 with CaTiO3 addition.Physica B 695 (2024) 416547., (2024). DOI.org/10.1016/j.physb.2024.416547 |
| 12 | Francisco Enilton Alves Nogueira, José Wagner de Oliveira Bezerra, Daniel Barros de Freitas, João Paulo Costa do Nascimento, Tallison Oliveira Abreu, Francisco Alekson Chaves Nobrega, Roterdan Fernandes Abreu, Marcos José Pereira Alves,Paulo Maria de Oliveira Silva, Ronaldo Glauber Maia de Oliveira, Felipe Felix do Carmo, Marcelo Antonio Santos da Silva, Ronaldo Santos da Silva, Antonio Sergio Bezerra Sombra. High thermal stability of the dielectric Properties of the La 2Ti2O7—La4Ti9O24 composites under temperature variation.Journal of the Australian Ceramic Society(2024)., (2024). DOI.org/10.1007/s41779-024-01106 |
| 2023 | |
| 01 | J. S. Sarmento, D. V. M. Paiva, E. V. de Araújo, M. A. S. Silva, A. S. B. Sombra, S. E. Mazzetto, P. B. A. Fechine. Dielectric properties of MCuSi4O10 (M = Ca, Sr, Ba) electroceramic at RF and microwave frequencies.Applied Physics A volume 129, 72 (2023) Springer Link., (2023). DOI.org/10.1007/s00339-022-06348-5 |
| 02 | R. F. Abreu, F. A. C. Nobrega, D. da M. Colares, S. O. Saturno, J. P. C. do Nascimento, T. O. Abreu, A. Ghosh, F. F. do Carmo, M. A. S. Silva, A. J. M. Sales, R. S. Silva, and A. S. B. Sombra. Evaluation of the Sr2TiSi2O8 ceramic matrix for radiofrequency and microwave applications.Journal of Materials Science: Materials in Electronics, volume 34, 457 (2023)., (2023). DOI.org/10.1007/s10854-023-09925-3 |
| 03 | Paulo M. O. Silva , Mucio C. C. Filho , José A. da Cruz, Antonio J. M. Sales, Antonio S. B. Sombra, and João Manuel R. S. Tavares. Influence on Pitting Corrosion Resistance of AISI 301LN and 316L Stainless Steels Subjected to Cold-Induced Deformation.Metals 2023, 13, 443., (2023). DOI.org/10.3390/met13030443 |
| 04 | Joao Paulo Costa do Nascimento, Felipe Felix do Carmo, Antonio Jefferson Mangueira Sales, Saulo Macedo Maia, Romulo Lopes Frutuoso , Tarique da Silveira Cavalcante, Cleidson Cavalcante, Júlio Daniel Siqueira Vieira , Carlos Roberto Ribeiro de Carvalho , Antonio Sergio Bezerra Sombra . A novel wireless oxygen gas sensor based on silver film loaded on a patch antenna.Materials Chemistry and Physics 299 (2023) 127513 Elsevier B.V., (2023). DOI.org/10.1016/j.matchemphys.2023.127513 |
| 05 | Francisco Enilton Alves Nogueira, Tallison Oliveira Abreu,Vitor Carvalho Martins, Roterdan Fernandes Abreu, Felipe Felix do Carmo, João Paulo Costa do Nascimento, Anupama Ghosh, Antonio Jefferson Mangueira Sales, Marcelo Antonio Santos da Silva, Ronaldo Santos da Silva, Antonio Sérgio Bezerra Sombra. Evaluation of the Dielectric Properties of CaMoO4‒TiO2 Composites for Microwave Applications Under Temperature Variation.Journal of Electronic Materials volume 52, pages 2843–2851 (2023)., (2023). DOI.org/10.1016/j.matchemphys.2023.127513 |
| 06 | Da Li, Di Zhou,* Dong Wang, Weichen Zhao, Yan Guo, Zhongqi Shi, Tao Zhou, Shi-Kuan Sun, Charanjeet Singh, Sergei Trukhanov, and Antonio Sergio Bezerra Sombra. Lead-Free Relaxor Ferroelectric Ceramics with Ultrahigh Energy Storage Densities via Polymorphic Polar Nanoregions Design.Small Volume19, Issue8 February 22, 2023., (2023). DOI.org/10.1002/smll.202206958 |
| 07 | Charanjeet Singh, · Jasbir Singh, J. E. V. de Morais, R. G. M. Oliveira, F. F. Do Carmo, M. A. S. Silva, A. S. B. Sombra, · Souad Ammar‑Merah, · Rajat Joshi, · Di Zhou, Sergei Trukhanov, Larissa Panina, Alex Trukhanov. Structural, electrical, and impedance properties of Co and Sn doped Ba 0.5Sr0.5Fe12‑2xO19 hexaferrite ceramics (0 ≤ x ≤ 1) and their evaluation for antenna application.Applied Physics A (2023) 129:550., (2023). DOI.org/10.1007/s00339-023-06819-3 |
| 08 | R. F. Abreu, S. O. Saturno,D. da M. Colares,F. R. Silva,F. A. C. Nobrega, F. E. A Nogueira, J. P. C do Nascimento,S. J. T. Vasconcelos,F. F. do Carmo,T. O. Abreu, A. Ghosh,J. C. Sales,R. S. Silva,A. J. M. Sales,M. A. S. Silva,A. S. B. Sombra. Enhanced Microwave Dielectric Properties of the Ba2TiSi2O8 Ceramic by the Addition of TiO2.Journal of Electronic Materials (2023)., (2023). DOI.org/10.1007/s11664-023-10718-x |
| 09 | Paulo M. O. Silva, Mucio C. C. Filho , José A. da Cruz , Antonio J. M. Sales , Antonio S. B. Sombra and João Manuel R. S. Tavares. Influence on Pitting Corrosion Resistance of AISI 301LN and 316L Stainless Steels Subjected to Cold-Induced Deformation.Metals, 13, 443(2023)., (2023). DOI.org/10.3390/met13030443 |
| 2022 | |
| 01 | José Filipe de Lima ,Antônio Sérgio Bezerra Sombra,Tagleorge Silveira, Humberto Dionísio de Andrade,Karoline Rodrigues Lima , Glauco Fontgalland, Matheus Emanuel Tavares Sousa. Study of Current Density and Angular Stability in Frequency Selective Surfaces for Indoor Communications.Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol. 21, No. 2, June 2022 ., (2022). DOI.org/10.1590/2179-10742022v21i2258350 |
| 02 | Shu-Zhao Hao, Di Zhou, Li-Xia Pang, Ming-Zhao Dang, Shi-Kuan Sun, Tao Zhou, Sergei Trukhanov, Alex Trukhanov, Antonio Sergio Bezerra Sombra, Qiang Li, Xiu-Qun Zhang, Song Xiaa and Moustafa A. Darwish. Ultra-low temperature co-fired ceramics with adjustable microwave dielectric properties in the Na2O–Bi2O3–MoO3 ternary system: a comprehensive study.Journal of Materials Chemistry C, J. Mater. Chem. C, 2022,10, 2008-2016., (2022). DOI.org/10.1039/D1TC05557G |
| 03 | DANILO S. ROCHA , FRANCISCO T. C. B. MAGALHÃES, GÉRARD FAVIER, ANTONIO S. B. SOMBRA, AND GLENDO F. GUIMARÃES. Ultra-low temperature co-fired ceramics with adjustable microwave dielectric properties in the Na2O–Bi2O3–MoO3 ternary system: a comprehensive study.IEEE ACCESS VOLUME 10, 2022 9906-9924 Digital Object Identifier., (2022). DOI.org/10.1109/ACCESS.2022.3143989 |
| 04 | Eduardo Viana de Araújo, Marcelo Antonio Santos da Silva, Mauricio Sousa de Pereira,Antonio Sérgio Bezerra Sombra,Igor Frota de Vasconcelos,Pierre Basílio Almeida Fechine. Effect of Bi2O3– B2O3 as a sintering aid in microstructure and dielectric properties of Fe2Mo3O12 electroceramic.Applied Physics A (2022) 128:439 Springer-Verlag GmbH., (2022). DOI.org/10.1007/s00339-022-05580-3 |
| 05 | Fang-Fang Wu a, Di Zhou, Song Xia, Ling Zhang , Feng Qiao, Li-Xia Pang, Shi-Kuan Sun Tao Zhou, Charanjeet Singh , Antonio Sergio Bezerra Sombra , Moustafa Adel Darwish , Ian M. Reaney. Low sintering temperature, temperature-stable scheelite structured Bi[V1− x (Fe1/3W 2/3)x]O4 microwave dielectric ceramics.Journal of Alloys and Compounds 859 (2022) ., (2022). DOI.org/10.1016/j.jeurceramsoc.2022.05.036 |
| 06 | Marcos V. N. Oliveira, Antonio F. G. F. Filho, Sandro V. Lima, Jose R. R. Sousa, Alisson C. Ferreira, Cicero S. Sobrinho, and Antonio S. B. Sombra. Application of the ultrashort pulse position modulation method in the frequency domain and dual optical sideband modulation, based on the acoustic-optical filter of photonic crystal fibers to obtain optical logic gates.Optical Engineering, 61(6), 067101 (2022) ., (2022). DOI.org/10.1117/1.OE.61.6.067101 |
| 07 | F.A.C. Nobrega, R.F. Abreu , D.da M. Colares, M.A.S. Silva, F.F. do Carmo, T.O. Abreu, J.P.C. do Nascimento, J.C. Sales, R.S. Silva, J.C. Goes, A.S.B. Sombra. Influence of the addition of CaTiO3 on the microwave dielectric properties of the BaMoO4 matrix.Materials Chemistry and Physics 289 (2022) 126478., (2022). DOI.org/10.1016/j.matchemphys.2022.126478 |
| 08 | F. G. Agayev, S. V. Trukhanov , An. V. Trukhanov, S. H. Jabarov, G. Sh. Ayyubova, M. N. Mirzayev,E. L. Trukhanova, D. A. Vinnik, A. L. Kozlovskiy, M. V. Zdorovets, A. S. B. Sombra, Di Zhou,R. B. Jotania,C. Singh, A. V. Trukhanov. Study of structural features and thermal properties of barium hexaferrite upon indium doping.Journal of Thermal Analysis and Calorimetry volume 147, pages 14107–14114 (2022)Journal of Thermal Analysis and Calorimetry volume 147, pages 14107–14114 (2022)., (2022). DOI.org/10.1007/s10973-022-11742-5 |
| 09 | Ticiane A. Magalhães, Denis V. M. Paiva, Marcelo A. S. Silva, Selma E. Mazzetto, Antonio S. B. Sombra, and Pierre B. A. Fechine. Electrical Properties of Sr3Mo 1–x WxO6-Based Solid Solution.Journal of Thermal Analysis and Calorimetry volume 147, pages 14107–14114 (2022)Physica Status Solidi A 2022, 2200343 © 2022 Wiley-VCH GmbH., (2022). DOI.org/10.1002/pssa.202200343 |
| 10 | Ana Angélica Mathias Macêdo, Sônia Duarte Figueiró, Júlio César Góes Ferreira, Márcia Rúbia Silva Melo, Ana Lúcia Ponte Freitas, Antônio Sérgio Bezerra Sombra, Beatriz da Silva Batista, Romicy Dermondes Souza, Rafael Mendonça Almeida, Fernando Mendes & Renato de Azevedo Moreira. Natural film based on collagen and sulfated polysaccharide for antiplatelet effects.International Journal of Polymer Analysis and Characterization,Volume 27, 2022 – Issue 7 ., (2022). DOI.org/10.1080/1023666X.2022.2103240 |
| 11 | Fakhraddin G. Agayev, Alex V. Trukhanov, Sergei V. Trukhanov, Sakin H. Jabarov, Ekaterina L. Trukhanova, Gular Sh. Ayyubova, Matlab N. Mirzayev, Denis A. Vinnik, Artem L. Kozlovskiy, Maxim V. Zdorovets, Antonio Sergio B. Sombra, Di Zhou, Rajshree B. Jotania, Charanjeet Singh, Andrei V. Trukhanov. Crystal Structure, Magnetic Properties and Thermal Behavior of BaFe11.9In0.1O19 Ferrite.Phys. Status Solidi B 2022, 2100655 / 2022 Wiley-VCH GmbH., (2022). DOI.org/10.1002/pssb.202100655 |
| 2021 | |
| 01 | DAVinnik,VEZhivulin,DAUchaev,SAGudkova,DEZhivulin,A.YuStarikov,SVtrukhanov,VATurchenko,TIZubar,TPGavrilov,RMEremin,E.Fadeev,E.Lähderanta,ASBSombra,D.Zhou,RBJotania,Charanjeet Singh, AVTrukhanov. Efeito da substituição de titânio e variação de temperatura na estrutura e estado magnético das hexaferritas de bário. Journal of Alloys and Compounds 859 (2021) 158365. , (2021). DOI.org/10.1016/j.jallcom.2020.158365 |
| 02 | RGM Oliveira,JEV de Morais, DC Souza, MAS Silva,DX Gouveia, Trukhanov,A. Trukhanov, L. Panina, C. Singh, D. Zhou, ASB Sombra. Antenas ressonadoras dielétricas de microondas de alta largura de banda de compósitos BiVO4/ZnO. Jornal da Sociedade de Cerâmica Australiana (2021). , (2021). DOI.org/10.1007/s41779-020-00559-w |
| 03 | MH Bezerra Junior, TO Abreu, FF do Carmo, JEV de Morais, RGM Oliveira, MAS Silva, HD de Andrade, IS Queiroz Junior, JCM Mota e ASB Sombra. Análise por espectroscopia de impedância de uma matriz de FeNbO4 com diferentes adições de TiO2 e os efeitos da variação de temperatura. Springer Science+Business Media. , (2021). doi.org/10.1007/s10854-021-05314-w |
| 04 | RF Abreu, TO Abreu, D. da M. Colares, SO Saturno, JPC do Nascimento, FAC Nóbrega, A. Ghosh, SJT Vasconcelos, JC Sales, HD de Andrade, IS Queiroz Junior e ASB Sombra. Avaliação das propriedades dielétricas do silicato de bário e titânio (Ba2TiSi2O8) para aplicações em micro-ondas. Springer Science+Business Media. , (2021). doi.org/10.1007/s10854-021-05414-7 |
| 05 | Tallison O. Abreu, Roterdan F. Abreu, Felipe F. do Carmo, Wellington V. de Sousa, Helenilson de O. Barros, José EV de Morais, João PC do Nascimento, Marcelo AS da Silva, Sergei Trukhanov, Alex Trukhanov, Larissa Panina, Charanjeet Singh, Antonio SB Sombra . Um novo compósito de matriz cerâmica baseado em YNbO4–TiO2 para aplicações de micro-ondas. Elsevier Ltd e Techna Group Srl/ Ceramics International. , (2021). doi.org/10.1016/j.ceramint.2021.02.108 |
| 06 | AJM Sales, AL Magalhães, RGM Oliveira, JEV de Morais, MAS Silva, DX Gouveia, HD de Andrade, IS Queiroz Júnior, ASB Sombra. Estudos dos Modos de Ressonância Acústica Radial e de Espessura de uma Piezocerâmica com Geometria de Polarização Mista. Engenharia Química Fina Volume 2 Edição 1|2021| 29. , (2021). doi.org/10.37256/fce.212021736 |
| 07 | K. Pavani, JPC do Nascimento, SK Jakka, FF do Carmo, AJM Sales, MJ Soares, MPF Graça, FJA de Aquino, DX Gouveia, ASB Sombra. Analogia de diferentes técnicas de detecção de temperatura óptica em fósforo LaNbO4:Er3+/Yb3+. Journal of Luminescence 235 (2021) 117992. , (2021). doi.org/10.1016/j.jlumin.2021.117992 |
| 08 | DB Freitas, MH Bezerra Junior, RGM Oliveira , JEV de Morais, VL Bessa, FF Carmo, MS Pereira, IF Vasconcelos, MAS Silva, HD de Andrade, IS Queiroz Junior, RS Silva e ASB Sombra. Matriz dielétrica BiCu3Ti3FeO12. J Ciência dos Materiais: Materiais em Eletrônica. , (2021). doi.org/10.1007/s10854-021-05768-y |
| 09 | Andrécia Pereira da Costa, Glauco Fontgalland, Alfrêdo Gomes Neto,Antônio Sérgio B. Sombra. Antena Ressonadora Cilíndrica Magneto-Dielétrica Baseada em Matriz YIG. Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol. 20, nº 2, junho de 2021. , (2021). doi.org/10.1590/2179-10742021v20i21067 |
| 10 | D.A. Vinnik , A.Yu. Starikova, V.E. Zhivulin, K.A. Astapovich , V.A. Turchenko , T.I. Zubar , S.V. Trukhanov, J. Kohout, T. Kmjec , O. Yakovenko , L. Matzui, A.S.B. Sombra , D. Zhou, R.B. Jotania, C. Singh , A.V. Trukhanov. Structure and magnetodielectric properties of titanium substituted barium hexaferrites.Ceramics International 2021., (2021). doi.org/10.1016/j.ceramint.2021.03.041 |
| 11 | D. A. Vinnik, V. E. Zhivulin, D. P. Sherstyuk, A. Yu. Starikov,P. A. Zezyulina, S. A. Gudkova, D. A. Zherebtsov, K. N. Rozanov, S. V. Trukhanov, K. A. Astapovich, A. S. B. Sombra, D. Zhou, R. B. Jotania, C. Singh and A. V. Trukhanov . Ni substitution effect on the structure, magnetization, resistivity and permeability of zinc ferrites.Journal of Materials Chemistry C / The Royal Society of Chemistry 2021., (2021). doi.org/10.1039/d0tc05692h |
| 12 | Jasbir Singh , Charanjeet Singh , Dalveer Kaur , Sukhleen Bindra Narang ,Rajshree B. Jotania , Ebtesam Ateia , Amrin Kagdi , Rajat Joshi , A.S.B. Sombra ,Di Zhou , Sergei Trukhanov l, Larrisa Panina. Development of doped Ba-Sr hexagonal ferrites for microwave absorber applications: Structural characterization, tunable thickness,absorption peaks and electromagnetic parameters.JJournal of Alloys and Compounds 855 (2021) 157242., (2021). doi.org/10.1016/j.jallcom.2020.157242 |
| 13 | Denis A. Vinnik, Andrey Yu. Starikov, Vladimir E. Zhivulin, Kseniya A. Astapovich, Vitaliy A. Turchenko, Tat’yana I. Zubar, Sergei V. Trukhanov,* Jaroslav Kohout, Tomas Kmječ, Olena Yakovenko, Lyudmila Matzui, Antonio Sergio B. Sombra, Di Zhou, Rajshree B. Jotania, Charanjeet Singh, Yujie Yang,and Alex V. Trukhanov. Changes in the Structure, Magnetization, and Resistivity of BaFe 12−x TixO19.ACS Appl. Electron. Mater. 2021, 3, 1583−1593., (2021). doi.org/10.1021/acsaelm.0c01081 |
| 14 | P. H. T. Silva, M. A. S. Silva, A. S. B. Sombra, and P. B. A. Fechine.Dielectric properties of bismuth layer structured ferroelectric Bi3R2Ti3FeO15 (R = Bi, Gd, and Nd) at microwave and radiofrequency.J Materials Science: Materials in Electronics / Springer Science+Business Media, LLC, part of Springer Nature., (2021). doi.org/10.1007/s10854-021-06332-4 |
| 15 | Jasbir Singh1, Charanjeet Singh 2, Dalveer Kaur3, Sukhleen Bindra Narang, Rajshree B. Jotania, Amrin Kagdi, Rajat Joshi, Antonio Sergio Bezerra Sombra, Di Zhou, Sergei Trukhanov , Larrisa Panina, and Alex Trukhanov. Optimization of Performance Parameters of Doped Ferrite-Based Microwave Absorbers: Their Structural, Tunable Reflection Loss, Bandwidth, and Input Impedance Characteristics.IEEE TRANSACTIONS ON MAGNETICS, VOL. 57, NO. 7, JULY 2021., (2021). doi.org/10.1109/TMAG.2021.3063175 |
| 16 | F.F. do Carmo , J.P.C. do Nascimento, J.E.V. de Morais, V.C. Martins , J.C. Sales , M.A.S. Silva, R.S. Silva , A.S.B. Sombra . High thermal stability of the YNbO4 − CaYTiNbO7 composites for radio frequency and microwave applications.Materials Chemistry and Physics 271 (2021) 124956., (2021). doi.org/10.1016/j.matchemphys.2021.124956 |
| 17 | D.V.M. Paiva, S.K. Jakka, M.A.S. Silva, J.P.C. do Nascimento, M.P.F. Graça , A.S.B. Sombra, M.J. Soares , S.E. Mazzetto, P.B.A. Fechine,K. Pavani . HInvestigation on luminescence based optical temperature sensing behavior of Sr3MoO6: Eu3+/Tb3+ Materials Chemistry and Physics 271 (2021) 124956., (2021). doi.org/10.1016/j.ijleo.2021.167825 |
| 18 | D. da M. Colares, R. F. Abreu, F. R. Silva, T. O. Abreu, F. A. C. Nobrega, D. B.Freitas, J. P. C. do Nascimento, F. G. S. Oliveira, I. F. Vasconcelos, A. Ghosh, S.J. T. Vasconcelos, J. C. Sales, R. S. Silva & A. S. B. Sombra . Improving the microwave dielectric properties of BiCu3Ti3FeO12 with the addition of Bi2O3Journal of Electromagnetic Waves and Applications (2021) Informa UK Limited, trading as Taylor & Francis Group., (2021). doi.org/10.1080/09205071.2021.1968958 |
| 19 | L.O. Azevedo , S.J.T. Vasconcelos , H.D. Andrade, I.S. Queiroz Júnior , R.S. Silva , A.S. B. Sombra . Design and characterization study of LaFeO3 and CaTiO3 composites at microwave frequencies and their applications as dielectric resonator antennasCeramics International (2021) Elsevier Ltd and Techna Group S.r.l.., (2021). doi.org/10.1016/j.ceramint.2021.08.224 |
| 20 | Charanjeet Singh, Maria Vesna Nikolic, Sukhleen Bindra Narang, Antonio Sergio Bezerra Sombra, Di Zhou, Sergei Trukhanov, Larrisa Panina, Jasbir Singh, Alex Trukhanov . Controllable morphology, dielectric, magnetic and reflection loss characteristics of ferrite/wax composites for low-loss applications Journal of Alloys and Compounds 888 (2021) Elsevier B.V. All rights reserved.., (2021). doi.org/10.1016/j.jallcom.2021.161611 |
| 21 | Huan-Huan Guo, Mao-Sen Fu, Di Zhou,Chao Du, Peng-Jian Wang, Li-Xia Pang, Wen-Feng Liu, Antonio Sergio Bezerra Sombra, and Jin-Zhan Su . Design of a High-Efficiency and -Gain Antenna Using Novel Low- Loss, Temperature-Stable Li2Ti1−x(Cu1/3Nb2/3)xO3 Microwave Dielectric Ceramics ACS Appl. Mater. Interfaces 2021, 13, 912−923 (2021) © 2020 American Chemical Society., (2021). doi.org/10.1021/acsami.0c18836 |
| 22 | N. D. G. Souza, D. V. M. Paiva, S. E. Mazzetto, M. A. S. Silva, A. S. B. Sombra, P. B. A. Fechine. Microwave Dielectric Properties of Ba5Li2W3O15 Ceramic with Excess Lithium for Dielectric Resonator Antenna Application © The Minerals, Metals & Materials Society (2021) Journal of Electronic Materials., (2021). doi.org/10.1007/s11664-021-09334-4 |
| 23 | S.V. Trukhanov, T.I. Zubar , V.A. Turchenko , An.V. Trukhanov, T. Kmje,J. Kohout , L. Matzui, O. Yakovenko, D.A. Vinnik , A.Yu. Starikov , V.E. Zhivulin , A.S.B. Sombra , D. Zhou, R.B. Jotania, C. Singh, A.V. Trukhanov . Exploration of crystal structure, magnetic and dielectric properties of titanium-barium hexaferrites © Materials Science and Engineering B 272 (2021) 115345., (2021). doi.org//10.1016/j.mseb.2021.115345 |
| 24 | José Filipe de Lima ,Antônio Sérgio Bezerra Sombra,Tagleorge Silveira, Humberto Dionísio de Andrade,Karoline Rodrigues Lima , Glauco Fontgalland, Matheus Emanuel Tavares Sousa.Study of Current Density and Angular Stability in Frequency Selective Surfaces for Indoor CommunicationsJ. Mater. Chem. C, 2022,10, 2008-2016 Journal of Materials Chemistry C., (2021). doi.org//10.1039/D1TC05557G |
| 25 | José Filipe de Lima ,Antônio Sérgio Bezerra Sombra,Tagleorge Silveira, Humberto Dionísio de Andrade,Karoline Rodrigues Lima , Glauco Fontgalland, Matheus Emanuel Tavares Sousa.Study of Current Density and Angular Stability in Frequency Selective Surfaces for Indoor CommunicationsJ. Mater. Chem. C, 2022,10, 2008-2016 Journal of Materials Chemistry C., (2021). doi.org//10.1039/D1TC05557G |
| 26 | DANILO S. ROCHA , FRANCISCO T. C. B. MAGALHÃES, GÉRARD FAVIER, ANTONIO S. B. SOMBRA, AND GLENDO F. GUIMARÃES. Optical Coupler Network Modeling and Parameter Estimation Based on a Generalized Tucker Train Decomposition IEEE ACCESS VOLUME 10, 2022 9906-9924., (2021). doi.org//10.1109/ACCESS.2022.3143989 |
| 27 | Eduardo Viana de Araújo, Marcelo Antonio Santos da Silva, Mauricio Sousa de Pereira,Antonio Sérgio Bezerra Sombra,Igor Frota de Vasconcelos,Pierre Basílio Almeida Fechine. Effect of Bi2O3– B2O3 as a sintering aid in microstructure and dielectric properties of Fe2Mo3O12 electroceramicApplied Physics A (2022) 128:439., (2021). doi.org//10.1007/s00339-022-05580-3 |
| 2020 | |
| 01 | A. V. Duarte, E. C. L. da Silva, E. A. O. Melo, F. M. M. Pereira, A. S. B. Sombra. Characterization of the BFO-BZN-based electroceramic composite for application as DRA .Cerâmica 66, 377 (2020) 1-6., (2020). DOI.org/10.1590/0366-69132020663772796 |
| 02 | Moustafa A. Darwish , Alex V. Trukhanov , Oleg S. Senatov,Alexander T. Morchenko , Samia A. Saafan, Ksenia A. Astapovich,Sergei V. Trukhanov, Ekaterina L. Trukhanova, Andrey A. Pilyushkin,Antonio Sergio B. Sombra, Di Zhou , Rajshree B. Jotania and Charanjeet Singh. Investigation of AC-Measurements of Epoxy/Ferrite Composites.Nanomaterials 2020, 10, 492., (2020). DOI.org/10.3390/nano10030492 |
| 03 | R. G. M. Oliveira, J. E. V. de Morais, V. L. Bessa, M. C. S. Freitas, V. C. Martins, M. A. S. Silva, H. D. de Andrade, I. S. Queiroz Júnior and A. S. B. Sombra. Novel Planar Capacitive Interdigital Multifinger (IDCM) Sensor for the Detection of the Ageing of Electrical Transformer Oil.Fine Chemical Engineering , Volume 1 Issue 1,2020, 31., (2020). doi.org/10.37256/fce.112020221.31-36 |
| 04 | Tatiana Zubar , Valery Fedosyuk , Daria Tishkevich , Oleg Kanafyev,Ksenia Astapovich, Artem Kozlovskiy , Maxim Zdorovets , Denis Vinnik ,Svetlana Gudkova, Egor Kaniukov, Antonio Sergio B. Sombra , Di Zhou ,Rajshree B. Jotania , Charanjeet Singh, Sergei Trukhanov and Alex Trukhanov. The Effect of Heat Treatment on the Microstructure and Mechanical Properties of 2D Nanostructured Au/NiFe System.Nanomaterials 2020, 10, 1077., (2020). doi.org/10.3390/nano10061077 |
| 05 | S.J.T. Vasconcelos, M.A.S. Silva, R.G.M. Oliveira, M.H. Bezerra Junior, H.D. de Andrade, I.S. Queiroz Junior, C. Singh, A.S.B. Sombra. High thermal stability and colossal permittivity of novel solid solution LaFeO3/CaTiO3.Materials Chemistry and Physics., (2020). doi.org/10.1016/j.matchemphys.2020.123239 |
| 06 | A. F. G. F. Filho, T. X. Cavalcante,C. C. Beserra, M. B. C. Costa,G. S. Batista, S. V. Lima,M. M. Freire, J. R. R. Sousa,A. S. B. Sombra. Nonlinearity effect on dual photonic crystal fiber coupler for generating fully optical logic gates. Microwave and Optical Technology Letters. 2019;1–12 (2019) , (2020). DOI.org/10.1002/mop.32101 |
| 07 | R. G. M. Oliveira, D. C. Souza, J. E. V. de Morais, G. S. Batista, M. A. S. Silva, D. X. Gouveia, S. Trukhanov, A. Trukhanov, L. Panina,C. Singh, D. Zhou, A. S. B. Sombra.High thermal stability of RF dielectric properties of BiVO4 matrix with added ZnO. Journal of Materials Science: Materials in Electronics.,(2020). DOI.org/10.1007/s10854-020-03858-x |
| 08 | R. F. Abreu , S. O. Saturno , J. P. C. do Nascimento , E. O. Sancho , J. E. V. de Morais , J. C. Sales , D. X. Gouveia , H. D. de Andrade , I. S. Queiroz Júnior & A. S. B. Sombra Dielectric characterisation and numerical investigation of SrBi2Nb2O9–Bi2O3 composites for applications in microwave range. Journal of Electromagnetic Waves and Applications., (2020). DOI.org/10.1080/09205071.2020.1787231 |
| 09 | J.P.C. DO NASCIMENTO , R.G.M. OLIVEIRA,F.F. DO CARMO,J.E.V. DE MORAIS, J.C. SALES, M.A.S. SILVA, D.X. GOUVEIA,H.D. DE ANDRADE, I.S. QUEIROZ JUNIOR,and A.S.B. SOMBRA. Effect of (Pr-Yb) Co-doping on the Luminescence and Dielectric Behaviour of LaNbO4 Ceramic. 2020 The Minerals, Metals & Materials Society/ Journal of ELECTRONIC MATERIALS., (2020). DOI.org/doi.org/10.1007/s11664-020-08339-9 |
| 10 | JOAO P.C. DO NASCIMENTO , FELIPE F. DO CARMO,MARCELLO X. FACANHA, JUSCELINO C. SALES,DANIEL X. GOUVEIA,HUMBERTO D. DE ANDRADE,IDALMIR S. QUEIROZ JUNIOR, and ANTONIO S.B. SOMBRA. Up-Conversion Luminescence of Er3+/Pr3+/Yb3+ Co-doped LaNbO4 Phosphors. Journal of ELECTRONIC MATERIALS / The Minerals, Metals & Materials Society., (2020). DOI.org/10.1007/s11664-020-08329-x |
| 11 | Andrécia P. da Costa,Glauco Fontgalland, Alfrêdo G. Neto,Antônio S. B. Sombra, Rômulo R. M. do Valle. Dual-frequency magnetodielectric resonator antena based in a YIG matrix with control of HEM11δ and TE01δ modes. Microwave Optical Technoly Letters ., (2020). DOI.org/10.1002/mop.32578 |
| 12 | Fernando Lima de Menezes , Davino Machado Andrade Neto, Maria do Livramento Linhares Rodrigues , Helder Levi Silva Lima , Denis Valony Martins Paiva , Marcelo Antônio Santos da Silva, Lillian Maria Uchôa Dutra Fechine , Antônio Sérgio Bezerra Sombra , Rafael Melo Freire , Juliano Casagrande Denardin , Morsyleide de Freitas Rosa , Men de Sá Moreira de Souza Filho , Selma Elaine Mazzetto and Pierre Basílio Almeida Fechine . From Magneto-Dielectric Biocomposite Films to Microstrip Antenna Devices. Journal Composites Science., (2020). DOI.org/10.3390/jcs4040144 |
| 13 | Charanjeet Singh, Maria Vesna Nikolic,Sukhleen Bindra Narang, A. S. B. Sombra, Di Zhou,Sergei Trukhanov, Larrisa Panina, Jasbir Singh, Alex Trukhanov.Complex permittivity and complex permeability characteristics of Co–Ti doped barium strontium hexaferrite/paraffin wax composites for application in microwave devices. Applied Physics A (2020) 126:850., (2020). DOI.org/10.1007/s00339-020-04016-0 |
| 14 | A.J.M.Sales, B.M.G.Melo, S.Soreto Teixeira, S.Devesa, R.G.M.Oliveira, P.W.S.Oliveira, S.J.T.Vasconcelos, M.P.F.Graça, L.C.Costa, A.S.B.Sombra.Influence of pyrochlore phase on the dielectric properties of the bismuth niobate system. Materials Science & Engineering B., (2020). DOI.org/10.1016/j.mseb.2020.114880 |
| 15 | V. L. Bessa, J. E. V. De Morais, R. G. M. Oliveira , D. B. Freitas, J. C. Sales,F. F. Do Carmo, M. A. S. Silva, D. X. Gouveia, and A. S. B. Sombra.Enhancing the electrical properties of Bi4Ti3O12 (BiT) matrix by special alloying and sintering J Mater Sci: Mater Electron., (2020). DOI.org/10.1007/s10854-020-04727-3 |
| 2019 | |
| 01 | R.G.M. Oliveira , J.E.V. de Morais, G.S. Batista, M.A.S. Silva, J.C. Goes,A.S.B. Sombra . Dielectric characterization of BiVO4 -TiO2 composites and applications in microwave range.Journal of Alloys and Compounds 775 (2019) 889-895., (2019). DOI.org/10.1016/j.jallcom.2018.10.018 |
| 02 | V.C. Martins, R.G.M. Oliveira, F.F. Carmo, M.A.S. Silva, S.A. Pereira, J.C. Goes,M.M. Costa, D.X. Gouveia, A.S.B. Sombra. High thermal stability OF Li2TiO3-Al2O3 composite in the microwave C-Band.Journal of Physics and Chemistry of Solids 125 (2019) 51–56., (2019). DOI.org/10.1016/j.jpcs.2018.10.011 |
| 03 | D.V.M. Paiva, M.A.S. Silva, R.G.M. de Oliveira, A.R. Rodrigues, L.M.U.D. Fechine, A.S.B. Sombra, P.B.A. Fechinea.Magneto-dielectric composite based on Y3Fe5O12 – CaTiO3 for radio frequency and microwave applications.Journal of Alloys and Compounds., (2019). DOI.org/10.1016/j.jallcom.2018.12.366 |
| 04 | R.F. ABREU, S.O. SATURNO, E.O. SANCHO, D.X. GOUVEIA,and A.S.B. SOMBRA.Microwave Dielectric Properties Study of the La2O3 Additions on the SrBi2Nb2O9 Matrix.Journal of ELECTRONIC MATERIALS, Vol. 48, No. 2, 2019., (2019). DOI.org/10.1007/s11664-018-06859-z |
| 05 | A.J.N. de Castro, V.L. Bessa, J.E.V. de Morais, L.P. Silva, R.G.M. Oliveira, J.P.C. do Nascimento, J.C. Sales, M.A.S. Silva, J.C. Goes, D.X. Gouveia, A.S.B. Sombra. A STUTDY OF THE DIELECTRIC AND ELECTRICAL PROPERTIES OF THE MATRIX COMPOSITE [Ba2CoNbO6 (BCNO)1−X – CaTiO3(CTO)X].Materials Research Bulletin 113 (2019) 169–174., (2019). DOI.org/10.1016/j.materresbull.2019.02.008 |
| 06 | J. R. R. Sousa, A.F.G.F. Filho, A.C. Ferreira, E.R.B. Figueiredo, J.C. Sales, M.B.C. Costa,G.G. Guimaraes, A.S.B.Sombra. All-optical logic gate based on a photonic crystal fiber Michelson interferometer operating with pulse-position modulation.Optical Engineering, 58(5), 056101 (2019)., (2019). DOI.org/10.1117/1.OE.58.5.056101 |
| 07 | M.A.S. Silva, R.G.M. Oliveira, A.S.B. Sombra. Dielectric and microwave properties of common sintering aids for the manufacture of thermally stable ceramics., (2019). DOI.org/10.1016/j.ceramint.2019.07.021 |
| 08 | R.G.M. Oliveira, R.A. Silva, J.E.V. de Morais, G.S. Batista, M.A.S. Silva, J.C. Goes,H.D. de Andrade, I.S. Queiroz Júnior, C. Singh, A.S.B. Sombra. Effects of CaTiO3 addition on the microwave dielectric properties and antenna properties of BiVO4 ceramics., (2019). DOI.org/10.1016/j.compositesb.2019.1071221 |
| 09 | Harsimrat Kaur, Anupma Marwaha, Charanjeet Singh, Sukhleen Bindra Narang, Rajshree Jotania, Silvia Jacobo, Sergio Sombra, S.V. Trukhanov, A.V. Trukhanov, Preksha Dhruv. Investigation of structural, hysteresis and electromagnetic parameters for microwave absorption application in doped Ba–Sr hexagonal ferrites at X-band . Journal of Alloys and Compounds (2019), (2019). DOI.org/10.1016/j.jallcom.2019.07.032 |
| 10 | Felipe F. do Carmo, João P.C. do Nascimento, Marcello X. Façanha, Antonio S.B. Sombra.Warm-white light emission in Er3+/Tm3+/Yb3+ tri-doped YNbO4 phosphor under 808 nm excitation: a synergistic upconversion effect.Materials Letters (2019)., (2019). DOI.org/10.1016/j.matlet.2019.07.020 |
| 11 | Charanjeet Singh, Yang Bai, Sukhleen Bindra Narang, A. S. B. Sombra, Sanjay R. Mishra, Rajshree Jotania,Rajesh Khanna, S. V. Trukhanov, A. V. Trukhanov, Madhav Ghimire.Microwave flter characteristics of ferrite and polyaniline composites from 8.2 to 12.4 GHz.Journal of Materials Science: Materials in Electronics., (2019). DOI.org/10.1007/s10854-019-01864-2 |
| 12 | R.A. Silva, R.G.M. Oliveira , M.A.S. Silva , A.S.B. Sombra. Effect of V2O5 addition on the structural and electrical properties of CoTiO3.Composites Part B 176 (2019) 107286., (2019). DOI.org/10.1016/j.compositesb.2019.107286 |
| 13 | J. P. C. Nascimento, F. F. do Carmo, M. X. Façanha, S. J. T. Vasconcelos, J. C.Sales & A. S. B. Sombra. On the synthesis and down-conversion luminescence of the LaNbO4:Pr3+ phosphor.Ferroelectrics, 545:1, 55-61 (2019)., (2019). DOI.org/10.1080/00150193.2019.1621711 |
| 14 | CHARANJEET SINGH , YANG BAI,SUKHLEEN BINDRA NARANG, SANJAY R. MISHRA,DHARMENDRA SINGH,5A.S.B. SOMBRA,RAJSHREE JOTANIA,S.V. TRUKHANOV, A.V. TRUKHANOV, MADHAV GHIMIRE, AMRIN KAGDI. Bandstop Passive Filter Characteristics of Hexagonal Ferrite Composites at X-Band.The Minerals, Metals & Materials Society., (2019). DOI.org/10.1007/s11664-019-07424-y |
| 15 | HARSIMRAT KAUR, ANUPMA MARWAHA,CHARANJEET SINGH , SUKHLEEN BINDRA NARANG,RAJSHREE JOTANIA, YANG BAI, SANJAY R. MISHRA,DHARMENDRA SINGH, A.S.B. SOMBRA, MADHAV GHIMIRE,and PREKSHA DHRUV. Tailoring of Electromagnetic Absorption in Substituted Hexaferrites from 8.2 GHz to 12.4 GHz.The Minerals, Metals & Materials Society. Journal of ELECTRONIC MATERIALS, (2019). DOI.org/10.1007/s11664-019-07498-8 |
| 16 | João P.C. do Nascimento, Felipe F. do Carmo, Marcello X. Façanha, José E.V. de Morais, Antonio J.M. Sales, Humberto D. de Andrade, Idalmir S. Queiroz Júnior,Antonio S.B. Sombra. Visible and near-infrared luminescent properties of Pr3+/Yb3+ co-doped lanthanum ortho-niobate phosphors. Published by Elsevier B.V. / Optical Materials 97 (2019) 109399, (2019). DOI.org/10.1016/j.optmat.2019.109399 |
| 17 | Edmilson C. Moreira, Rodrigo O. Martins, Bruno M. S. Ribeiro and Antonio S. B. Sombra. A Novel Gain-Enhanced Antenna with Metamaterial Planar Lens for Long-Range UHF RFID Applications. Progress In Electromagnetics Research B, Vol. 85, 143–161, (2019) , (2019). |
| 18 | Antonio Filho, Juscelino Chaves Sales, José Rubens Sousa, Marcio Melo Freire,Gianinni Italino Alves and A S B Sombra. Sensors of Encoding and Decoding Based on Superstructures Fiber Bragg Gratings Modulated in Amplitude and Phase for applications in systems OCDMA – 63 chip. FIBER AND INTEGRATED OPTICS.(2019) , (2019). DOI.org/10.1080/01468030.2019.1701752 |
| 19 | J.E.V. DE MORAIS,1 R.G.M. OLIVEIRA , V.L. BESSA,D.B. FREITAS, J.C. SALES, F.F. DO CARMO, D.X. GOUVEIA,M.A.S. SILVA, and A.S.B. SOMBRA. Effects of TiO2 Addition on the Radio-Frequency Properties of the Sr2CoNbO6 Matrix.Journal of ELECTRONIC MATERIALS. The Minerals, Metals & Materials Society(2019) , (2019). DOI.org/10.1007/s11664-019-07918-9 |
| 20 | M. de S. Pereiraa, F. A. S. Lima, R. Q. Almeida,J. L. S. Martins, D. Bagnise, E. B. Barros, A. S. B. Sombra,I. F. Vasconcelos. Flexible, Large-Area Organic Solar Cells With Improved Performance Through Incorporation of CoFe2O4 Nanoparticles in the Active Layer.Materials Research. 2019; 22(6): e20190417., (2019). DOI.org/10.1590/1980-5373-MR-2019-0417 |
| 2018 | |
| 01 | Wirth-Lima A J, Silva M G, and Sombra A S B. Comparisons of electrical and optical properties between graphene and silicene— A review” http://dx.doi.org/10.1088/1674-1056/27/2/023201″>Chin. Phys. B Vol. 27, No. 2 023201, (2018). DOI 10.1088/1674-1056/27/2/023201 |
| 02 | E. O. Sancho, E. A. Araújo,W. S. Conde, I. R. Saraiva,R. C. B.Maia,L. M. B.Oliveira,J. C. Sales, A. S.B. Sombra,J. S. V. Albuquerque.Models Manufacturing of Crystal Systems: An Introduction to Ceramic MaterialsMaterials Science Forum Vol. 912, pp 280-284 ., (2018). DOI 10.4028/www.scientific.net/MSF.912.280 |
| 03 | C. A. Rodrigues Junior, M. C. Campos Filho, D. G. Sousa, A. J. M. Sales, R. P. S. Leão, A. S. B. Sombra & G. C. Barroso . Structural and electrical properties of the SrBi4Ti4O15: V2O5 matrix in the microwave frequency rangeJournal of Electromagnetic Waves and Applications ISSN: 0920-5071 (Print) 1569-3937 (Online) Pages 1-13 | Published online: 08 Feb 2018, Taylor & Francis Group., (2018). DOI 10.1080/09205071.2018.1436004 |
| 04 | F. W. C. Farias, A. S. G. Alves, Y. M. S. Alves, F. M. M. Pereira,M. D. B. Barroso, J. C. Sales and A. S. B. Sombra. Structural Characterization for Ceramic Pyrochlores of Bi-Zn-Nb-OMaterials Science Forum Vol. 912, pp 16-20., (2018). DOI 10.4028/www.scientific.net/MSF.912.16 |
| 05 | Y. M. S. Alves, C. H. A. Pereira, F. W. C. Farias, F. M. M. Pereira,M. D. B. Barroso, J. C. Sales and A. S. B. Sombra. Influence of Addition of CaO and SiO2 in Microstructure of Hexaferrite BaXSr1-XFe12O19Materials Science Forum Vol. 912, pp 21-26., (2018). DOI 10.4028/www.scientific.net/MSF.912.21 |
| 06 | D.V.M. Paiva, M.A.S. Silva, A.S.B. Sombra, P.B.A. Fechine. Properties of the Sr3MoO6 electroceramic for RF/microwave devicesJournal of Alloys and Compounds 748 pp 766-773., (2018). DOI 110.1016/j.jallcom.2018.03.200 |
| 07 | J.E.V. DE MORAIS, A.J.N. DE CASTRO, R.G.M. OLIVEIRA,F.F. DO CARMO,A.J.M. SALES, J.C. SALES,M.A.S. SILVA,D.X. GOUVEIA,M.M. COSTA, A.R. RODRIGUES and A.S.B. SOMBRA. Magneto Tuning of a Ferrite Dielectric Resonator Antenna Based on LiFe5O8 MatrixJournal of ELECTRONIC MATERIALS,, (2018). DOI 10.1007/s11664-018-6255-0 |
| 08 | T. S. M. Fernandes, R. G. M. Oliveira, D. X. Gouveia, M. A. S. Silva, A. S. B.Sombra & R. F. Nascimento. Study of the structural and dielectric properties of ceramic obtained from residual electrocoagulationAdvances in Applied Ceramics Structural, Functional and Bioceramics ISSN: 1743-6753 (Print) 1743-6761 (Online) Journal homepage: http://www.tandfonline.com/loi/yaac20., (2018). DOI 10.1080/17436753.2018.1462296 |
| 09 | M. Henrique B. Ju nior, Amarilton L. Magalhaes, A. M. Bastos, A. J. M. Sales,D. X.Gouveia, A. A. Kamshilin,A. C. Ferreira, G. F. Guimaraes,A. S. B. Sombra, J. W. M. Menezes. Piezoelectric ceramic sensor (PZT) applied to electric current measurementsMicrosystem Technologies., (2018). DOI 10.1007/s00542-018-3998- |
| 10 | A. C. Ferreira, C. S. Sobrinho, G. F. Guimaraes,J. R. R. Sousa, J. W. M. Menezes,A. Wirth Lima Jr., M. L. Lyra, A. S. B. Sombra. All-optical logic gates based on XPM effect under the PAM-ASK modulation in a symmetric dual NLDCMicrosystem Technologies., (2018). DOI 10.1007/s00542-018-4016-x |
| 11 | R. G. M. Oliveira, G. S. Batista, J. E. V. de Morais, M. M. Costa ,· M. A. S. Silva,· J. W. O. Bezerra, A. S. B. Sombra. Structural and dielectric behaviour analysis of TiO2 addition on the ceramic matrix BiVO4Journal of Materials Science: Materials in Electronics., (2018). DOI 10.1007/s10854-018-9590-2 |
| 12 | Harsimrat Kaur, Charanjeet Singh,Anupma Marwaha, Sukhleen Bindra Narang, Rajshree Jotania,Sanjay R. Mishra, Yang Bai, K. C. James Raju,Dharmendra Singh, Madhav Ghimire,Preksha Dhruv,A. S. B. Sombra. Elucidation of microwave absorption mechanisms in Co–Ga substituted Ba–Sr hexaferrites in X-band.JoJournal of Materials Science: Materials in Electronics., (2018). DOI.org/10.1007/s10854-018-9638-3 |
| 13 | R. G. M. Oliveira, D. B. Freitas, G. S. Batista, J. E. V. de Morais, V. C. Martins, M. M. Costa,M. A. S. Silva, D. X. Gouvêa, C. Singh A. S. B. Sombra. Dielectrical and structural studies of composite matrix BiVO4–CaTiO3 and temperature effects by impedance spectroscopy.Journal of Materials Science: Materials in Electronics., (2018). DOI.org/10.1007/s10854-018-9714-8 |
| 14 | Marcello X. Façanha, Felipe F. do Carmo, João P.C. do Nascimento Tasso O. Sales, Weslley Q. Santos,, Artur S. Gouveia-Neto, Carlos J. da Silva, Antonio S.B. Sombra. A novel white-light emitting BaBi2Nb2O9: Li+/Tm3+/Er3+/Yb3+upconversion phosphor.Journal of Luminescence 204 / 539–547., (2018). DOI.org/10.1016/j.jlumin.2018.08.016 |
| 15 | J.E.V. DE MORAIS , R.G.M. OLIVEIRA, V.L. BESSA,M.A.S. SILVA, M.M. COSTA, D.X. GOUVEIA, J. GOLDSMITH,T.K. CARROLL, and A.S.B. SOMBRA. RF and Microwave Electrical Properties Study of the Magneto-Dielectric Resonator Antenna of the Matrix Composite [SrFe12O19 (SFO)1-x-BiFeO3(BFO)x].Journal of ELECTRONIC MATERIALS, Vol. 47, No. 10., (2018). DOI.org/10.1007/s11664-018-6507-z |
| 16 | Felipe F. do Carmoa, João P.C. do Nascimentoa,, Marcello X. Façanhaa, T.O. Sales,W.Q. Santos, Artur S. Gouveia-Neto, Carlos Jacinto, Antonio S.B. Sombra. White light upconversion emission and color tunability in Er3+/Tm3+/Yb3+tri-doped YNbO4 phosphor.Journal of Luminescence 204 (2018) 676–684., (2018). DOI.org/10.1016/j.jlumin.2018.08.079 |
| 17 | J.W.O. BEZERRA, R.G.M. OLIVEIRA, M.A.S. SILVA , T.F. MACIEL,J.C. GOES and A.S.B. SOMBRA. Dielectric Resonator Antennas with Frequency Stability Under Severe Temperature Variations Based on Li2MgTi3O8 Ceramic Matrix Added with Bi2O3.FERROELECTRICS, 2018, VOL. 535, 18–24., (2018). DOI.org/10.1007/s11664-018-6664-0 |
| 18 | A. L. Magalhaes, A. F. Oliveira, A. J. M. Sales, F. J. A. Aquino, D. X. Gouveia,J. W. M. Menezes, E. B. Araujo, and A. S. B. Sombra. Fabrication and operational characteristics of step-down piezoelectric transformer based on PMN-PT ceramics.Journal of ELECTRONIC MATERIALS / The Minerals, Metals & Materials Society., (2018). DOI.org/10.1080/00150193.2018.1474631 |
| 19 | R. V. Leite, F. O. S. Costa, Mailadil T. Sebastian, A. J. M. Sales,and A. S. B. Sombra. Experimental and numerical investigation of dielectric resonator antenna based on doped Ba(Zn1/3Ta2/3)O3 ceramic.JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, 2018 Taylor & Francis Group., (2018). DOI.org/10.1080/00150193.2018.1474631 |
| 20 | J.E.V. DE MORAIS,1 R.G.M. OLIVEIRA , V.L. BESSA,D.B. FREITAS, J.C. SALES, F.F. DO CARMO, D.X. GOUVEIA,M.A.S. SILVA, and A.S.B. SOMBRA. Effects of TiO2 Addition on the Radio-Frequency Properties of the Sr2CoNbO6 Matrix.Journal of ELECTRONIC MATERIALS. The Minerals, Metals & Materials Society(2019) , (2019). DOI.org/10.1007/s11664-019-07918-9 |
| 2017 | |
| 1. | P. Toledano, A. P. Ayala, A. F. G. Furtado Filho,J. P. C. do Nascimento, M. A. S. Silva, and A. S. B. Sombra . Magnetoelectric Efects in the Spiral Magnets CuCl2 and CuBr2 ;Journal of Physics: Condensed Matter., (2017) Volume 29, 035701 DOI 10.1088/1361-648X/29/3/035701 |
| 2. | F.A.A. Aguiar, A.J.M. Sales, B.S. Araujo, K.D.A. Saboia, M.C. Campos Filho, A.S.B. Sombra, A.P. Ayala, and P.B.A. Fechine . Effect of V2O5 Addition on the Phase Composition of Bi5FeTi3O15 Ceramic and RF/Microwave Dielectric Properties ;Journal of ELECTRONIC MATERIALS., (2017) Volume 46, No. 4 DOI 10.1007/s11664-017-5312-4 |
| 3. | P.W.S. Oliveira, G.F.M. Pires Junior, A.J.M. Sales, H.O. Rodrigues, and A.S.B. Sombra . Experimental and numerical investigation of the microwave dielectric properties of the MgTiO3 ceramic matrix added with CaCu 3Ti 4O12 ;Journal of Microwaves, Optoelectronics and Electromagnetic Applications., (2017) Volume 16, No. 2 DOI 10.1590/2179-10742017v16i2794 |
| 4. | J.C. Sales , A.F.G.F. Filho, A.C. Ferreira, J.R.R. Sousa, C.S. Sobrinho, J.W.M. Menezes ,G.F. Guimarães, A.S.B. Sombra . All-optical XOR and OR by Mach-Zehnder Interferometer engineered photonic crystal fibers ;Optics and Laser Technology ., (2017) Volume 94. DOI 10.1016/j.optlastec.2017.03.012 |
| 5. | A. J. Wirth L., A. C. Ferreira,A. S. B. Sombra . AlNonlinear graphene-based nanophotonic switch working in dense wavelength division multiplexing (DWDM) systems;Appl. Phys. A ., (2017). DOI 10.1007/s00339-017-0979-1 |
| 6. | J.E.V. DE MORAIS, R.G.M. DE OLIVEIRA, A.J.N. DE CASTRO,J.C. SALES, M.A.S. SILVA, J.C. GOES, M.M. COSTA and A.S.B. SOMBRA. Dielectric Study in the Microwave Range for Ceramic Composites Based on Sr2CoNbO6 and TiO2 Mixtures;Journal of ELECTRONIC MATERIALS., (2017). DOI 10.1007/s11664-017-5541-6 |
| 7. | M. V. N. Oliveira, A. G. Coelho Jr, C. S. Sobrinho, A. C. Ferreira,J. C. Sales, J. R. R. Sousa, G. F. Guimarães, J. W. M. Menezes,M. L. Lyra, A. S. B. Sombra. A new modulation method to generate all‑optical logic gates in na AOTF;Microsyst Technol, Springer-Verlag Berlin Heidelberg ., (2017). DOI 10.1007/s00542-017-3352-6 |
| 8. | J.M.S. FILHO, C.A. RODRIGUES JUNIOR, D.G. SOUSA,R.G.M. OLIVEIRA, M.M. COSTA, G.C. BARROSO, and A.S.B. SOMBRA. Impedance Spectroscopy Analysis of Mg4Nb2O9 Ceramics with Different Additions of V2O5 for Microwave and Radio Frequency Applications;Journal of ELECTRONIC MATERIALS ., (2017). DOI 10.1007/s11664-017-5324-0 |
| 9. | A. E. C. Junior, J. P. F. Mota, S. M. A. Pontes, F. J. N. Maia,C. S. Clemente, P. B. A. Fechine,F. Bohn, A. J. M. Sales, A. S. B. Sombra.A self-assembly of graphene oxide@Fe3O4/metallophthalocyaninenanohybrid materials: synthesis, characterization, dielectric and thermal properties J Mater Sci, Composites- SPRINGER., (2017). DOI 10.1007/s10853-017-1133-3 |
| 10 | R.G.M. Oliveira, J.W.O. Bezerra , J.E.V. de Morais, M.A.S. Silva, J.C. Goes, M.M. Costa, A.S.B. Sombra .Identification of giant dielectric permittivity in the BiVO4J Mater Sci, Composites- SPRINGER., (2017). DOI 10.1016/j.matlet.2017.05.105 |
| 11 | V. G. P. Ribeiro, A. M. P. Marcelo, K. T. Silva, F. L. F. Silva 1, J. P. F. Mota , J. P. C. Nascimento , A. S. B. Sombra , C. S. Clemente, G. Mele, L. Carbone and S. E. Mazzetto . New ZnO@Cardanol Porphyrin Composite Nanomaterials with Enhanced Photocatalytic Capability under Solar Light IrradiationJ Materials, 10, 1114., (2017). DOI 10.3390/ma10101114 |
| 12 | .Wirth Lima, & A.S.B. Sombra. Graphene-based Mach–Zehnder nanophotonics interferometer working as a splitter/switch and as a multiplexer/demultiplexerOpt Quant Electron ,49: 388., (2017). DOI 10.1007/s11082-017-1227-9 |
| 13 | .G. S. Batista, R. G. M. Oliveira,M. A. S. Silva, M. M. Costa, J. C. Goes,D. X. Gouveia, and A. S. B. Sombra. Communication—Detection of Giant Dielectric Constant in Strontium Orthovanadate Sr3V2O8ECS Journal of Solid State Science and Technology ,6 (10) N213-N215 The Electrochemical Society., (2017). DOI 10.1149/2.0231710jss |
| 14 | .M. P. F. Graça, L. C. Costa, F. Amaral, M. A. Valente, W. M. Barcellos, F. N. A.Freire, K. D. A. Sabóia & A. S. B. Sombra. Dielectric and magnetic properties of a yttrium ferrite/calcium copper titanate compositeSPECTROSCOPY LETTERS ,VOL. 50, NO. 4, 206–213., (2017). DOI 10.1149/2.0231710jss |
| 15 | P.M.V. Almeida, C.B. Gozzo, E.H.N.S. Thaines , A.J.M. Sales , R.G. Freitas , A.J. Terezo, A.S.B. Sombra , M.M. Costa. Dielectric relaxation study of the ceramic matrix BaBi4Ti4O15:Bi2O3Materials Chemistry and Physics 205, 72-83., (2018). DOI 10.1016/j.matchemphys.2017.10.069 |
| 16 | J.E.V. de Morais, R.G.M. Oliveira, M.A.S. Silva , M.M. Costa, A.J.M. Sales ,V.L. Bessa, A.R. Rodrigues , I.F. Vasconcelos, J. Goldsmith, T.K. Carroll ,A.S.B. Sombra . Magneto-dielectric properties studies of the matrix composite[SrFe12O19(SFO)1-X e BiFeO3(BFO)X], (2018). DOI 10.1016/j.jallcom.2017.11.116 |
| 2016 | |
| 1. | A.Wirth L. Jr., M.G. da Silva , D.M.C. Neves and Antonio Sergio Bezerra Sombra.Nanophotonic graphene-based racetrack-resonator add/drop filter.Optics Communications., 366 (2016) 210–220. Elsevier B.V. doi: 10.1016/j.optcom.2015.12.054 |
| 2. | A.C. Ferreira, A.G. Coêlho Jr, J.R.R. Sousa, C.S. Sobrinho, F.T.C.B. Magalhães, A.F.G.F. Filho, G.F. Guimarães, J.C. Sales, J.W.M. Menezes, A.S.B. Sombra . PAM–ASK optical logic gates in an optical fiber Sagnac interferometer . Published by Elsevier Ltd Optics & Laser Technology., 77 (2016) 116–125. |
| 3. | R.G.M. Oliveira, D.B. Freitas, M.C. Romeu,M.A.S. Silva, A. J. M. Sales,A.S.B. Sombra . Design and simulation OF Na2Nb4O11 dieletric resonator antenna added with Bi2O3 for microwave applications. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Wiley., 58 (2016) 1211-1217. doi: 10.1002/mop.29765 |
| 4. | A.J.M. Sales, D.G. Sousa, H.O. Rodrigues, M.M. Costa, F.N.A. Freire, M.J. Soares, M.P.F. Graça, J. Suresh Kumare, A.S.B. Sombra. Power dependent upconversion in Er3þ/Yb3þ co-doped BiNbO4 phosphors. Ceramics International, Elsevier., 42 (2016) 6899–6905. doi: 10.1016/j.ceramint.2016.01.075 |
| 5. | L. N. L. Oliveira, R. V. B. Campos, D. X. Gouveia, M. A. S. Silva, and A. S. B. Sombra. MICROWAVE DIELECTRIC PROPERTIES STUDY OF (Al2O3)-(Nb2O5) COMPOSITE FOR DIELECTRIC RESONATOR ANTENNA APPLICATIONS. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Wiley., 58 (2016) 1473-149. doi: 10.1002/mop.29816 |
| 6. | V. M. Paiva,M. A. S. Silva,A. S. B. Sombrab and P. B. A. Fechine. Dielectric investigation of the Sr3WO6 double perovskite at RF/microwave frequencies. RSC Adv.Royal Society of Chemistry., (2016) 6, 42502-42509 . doi: 10.1039/c6ra04640a |
| 7. | Francisco Nivaldo Aguiar Freire, Manoel Roberval Pimentel Santos,Hélio Henrique Barbosa Rocha, Ana Fabiola Leite Almeida, Selma Elaine Mazzetto, Antonio Jefferson Mangueira Sales, Antonio Sergio Bezerra Sombra. The Thermal Stability of (CaTiO3)1−x (Cr3/4Fe5/4O3)x Ceramic Composites in the Microwave Region. Materials Sciences and Applications., (2016) 7, 202-209. doi: 10.4236/msa.2016.74020 |
| 8. | B. Mettout,P. Toledano, A. S. B. Sombra, A. F. G. Furtado Filho, J. P. C. do Nascimento, M. A. Santos da Silva, P. Gisse and H. Vasseur. Magnetoelectric, photovoltaic, and magnetophotovoltaic effects in KBiFe2O5Bone Cement: A Review. Biointerface Research in Applied Chemistry Volume 6, Issue 3, 2016, 1243-1256. |
| 9. | Lídia Raquel C. Aquino , Ana Angélica M., Antônio S. B. Sombra, C. C. Silva. Bone Cement: A Review. PHYSICAL REVIEW B., 93, 195123 (2016). |
| 10. | C. C. Silva, A. S. B. Sombra, M. P. F. Graça. SiO2–Fe2O3–MoO3 ceramic system doped with Nb2O5, a study of the dielectric temperature dependence. Journal of Materials Science: Materials in Electronics,June., (2016) Volume 27, Issue 6, pp 5764–5769 DOI 10.1007/s10854-016-4490-9 |
| 11. | Juner M. Vieira, Marcelo P. Magalhaes, Marcos V. T. Heckler, Joao C. M. Mota and Antonio S. B. Sombra. Development of an UHF 2 × 2 Microstrip Antenna Array for Nano- Satellites. JOURNAL OF COMMUNICATION AND INFORMATION SYSTEMS., (2016) Volume 31, NO. 1, pp 137-143 DOI 10.14209/jcis.2016.13 |
| 12. | D. G. Correia, J. C. Sales, P. V. F. Pinto, L. P. Moura, A. C. Ferreira, J. W. M. Menezes, G. F. Guimarães, A. S. B. Sombra. Analysis of the Performance of a PAM/PPM/OOK System Operating with OCDMA, under Nonlinear Optical Effects in Optical Fiber Propagation. Journal of Optical Communications., (2016) Volume 37, Issue 2, Pages 233–246 DOI 10.1515/joc-2015-0053 |
| 13. | S. G. C. Moreira,K. Pavani,M. J. Soares,M. P. F. Graça,e J. Suresh Kumar and A. S. B. Sombra. Temperature-, power-, and concentrationdependent two and three photon upconversion in Er3+/Yb3+ co-doped lanthanum ortho-niobate phosphors. Royal Society of Chemistry Advances., (2016) Volume 6, 61680 DOI 10.1039/c6ra12941b |
| 14. | M.X. Façanha, J.P.C.doNascimento, M.A.S.Silva, M.C.C.Filho, A.N.L.Marques,A.G.Pinheiro f, A.S.B.Sombra . Up-conversion emission of Er3/Yb3 co-doped BaBi2Nb2O9 (BBN) phosphors ;Journal ofLuminescence183., (2016) Volume 183, 102–107 DOI 10.1016/j.jlumin.2016.08.011 |
| 15. | Jose L. da Silva, Humberto D. de Andrade, Anamaria S. Maia, Humberto C. C. Fernandes,Isaac B. T. da Silva, Antonio S. B. Sombra and Jonathan P. P. Pereira . PERFORMANCE OF MICROSTRIP PATCH ANTENNA DUE EBG/PBG ARRANGEMENTS INSERTION ;MICROWAVE AND OPTICAL TECHNOLOGY LETTERS ., (2016) Vol. 58, No. 12, 2933-2937 DOI 10.1002/mop |
| 16. | J. C. Sales, T. M. Pessoa, A. C. Ferreira, D. G. Correia, C. S. Sobrinho, J. S. de Almeida, J. W. M. Menezes, G. F. Guimarães & A. S. B. Sombra . High quality of logic gates from the return arm of a Sagnac fiber interferometer ;Journal of Electromagnetic Waves and Applications., (2016) Volume 30, 2016 – Issue 18 Pages 2459-2483
http://dx.doi.org/10.1080/09205071.2016.1257396 |
| 17. | R. G. M. Oliveira, A. J. M. Sales,J. P. C. Nascimento, J. W. M. Menezes, M. A. S. Silva, and A. S. B. Sombra . Compact Triple-Babd Pifa With High Bandwidth And Gain For Multiple Mobile Services ;Microwave Opt Technol Lett 58:2960–2965., (2016.)Volume 58, Pages 2459-2483
http://dx.doi.org/10.1088/1361-648X/29/3/035701. |
| 2015 | |
| 1. | MALLMANN, E. J. J. ; SILVA, M. A. S. ; SOMBRA, A. S. B. ; BOTELHO, M. A. ; MAZZETTO, S. E. ; DE MENEZES, A. S. ; ALMEIDA, A. F. L. ; FECHINE, P. B. A. . Dielectric Properties of Ca0.7Bi0.3Ti0.7Cr0.3O3 (CBTC)-CaCu3Ti4O12 (CCTO) Composite. Journal of Electronic Materials, v. 44, p. 295-302, 2015. |
| 2. | BEZERRA, JOSE W. O. ; SOUSA, D. G. ; JUNQUEIRA, C. C. M. ; SILVA, MARCELO A. S. ; BARROSO, G. C. ; SOMBRA, ANTONIO S. B. . Circularly polarized quarter-cylinder-shaped dielectric resonator antenna using a single probe feed. Microwave and Optical Technology Letters, v. 57, p. 722-726, 2015. |
| 3. | Filho, A. F. G. F. ; MENDES, A. G. L. S. O. ; SOUSA, J. R. R. ; BATISTA, G. S. ; BASTOS, A. M. ; Sobrinho, C. S. ; LYRA, M. L. ; SOMBRA, A. S. B. . Periodic Modulation of Nonlinearity in a Two-Core Photonic Crystal Fiber: A Numerical Investigation. Journal of Electromagnetic Analysis and Applications, v. 07, p. 41-51, 2015. |
| 4. | Almir Wirth Lima Jr. João Cesar Moura Mota and Antonio Sergio Bezerra Sombra Beilstein J.. Attenuation, dispersion and nonlinearity effects in graphene-based waveguides Nanotechnol. 2015, 6, 1221–1228. doi:10.3762/bjnano.6.125 |
| 5. | N.D.G. SOUZA , R.M. FREIRE , A.P. CUNHA , M.A.S. DA SILVA, S.E. MAZZETTO, A.S.B. SOMBRA, J.C. DENARDIN , N.M.P.S. RICARDO , P.B.A. FECHINE -New magnetic nanobiocomposite based in galactomannan/glycerol and superparamagnetic nanoparticles. Materials Chemistry and Physics 156 (2015) 113e120 |
| 6. | D.V.M. PAIVA, M.A.S. SILVA , T.S. RIBEIRO, I.F. VASCONCELOS , A.S.B. SOMBRA, J.C. GÓES, P.B.A. Fechine -Novel magnetic–dielectric composite ceramic obtained from Y3Fe5O12 and CaTiO3.Journal of Alloys and Compounds 644 (2015) 763–769 |
| 7. | L. S. OLIVEIRA, D. X. GOUVEIA, M. A. S. SILVA,A. S. B. SOMBRA -Study of the performance of dieletric resonator antennas based on the matrix com composite of Al2O3 – CaTiO3 Microwave and optical technology letters / Vol. 57, No. 4, April 2015 DOI 10.1002/mop |
| 8. | R.V.B. Campos, C.L. Bezerra, L.N.L. Oliveira, D.X. Gouveia, M.A.S. Silva and A.S.B. Sombra -A Study of the Dielectric Properties of Al2O3–TiO2 Composite in the Microwave and RF RegionsJournal of Eletronic Materials, Vol. 44, No. 11 ,p. 4220-4226, 2015. |
| 9. | J. C. Sales, A. F. G. F. Filho,A. C. Ferreira,J. R. R. Sousa,K. M. V. Avila,J. C. Sales,D. N. S. Cavalcante, F. T. C. B. Magalhaes,C. S. Sobrinho P. V. F. Pinto, G. F. Guimaraes, J. W. M. Menezes,D. B. Costa, A. S. B. Sombra-Mach–Zehnder nonlinear interferometer in photonic crystal fibers with nonlinearity profilesJournal of Nonlinear Optical Physics & Materials, Vol. 24, No. 3, 1550036 (17 pages), 2015. |
| 2014 | |
| 1. | OLIVEIRA, R. G. M. ; ROMEU, M. C. ; COSTA, M. M. ; SILVA, P. M. O ; FILHO, J. M. S. ; JUNQUEIRA, C. C. M. ; SOMBRA, A. S. B. . Impedance spectroscopy study of Na2Nb4O11 ceramic matrix by the addition of Bi2O3. Journal of Alloys and Compounds , v. 584, p. 295-302, 2014. |
| 2. | SILVA, P. M.O. ; FERNANDES, T. S. M. ; OLIVEIRA, R. M. G. ; SILVA, M. A. S. ; SOMBRA, A. S. B. . Radiofrequency and microwave properties study of the electroceramic BaBi4Ti4O15. Materials Science and Engineering: B, v. 182, p. 37-44, 2014. |
| 3. | WIRTH LIMA, A. ; SOMBRA, A. S. B. . Graphene-photonic crystal switch. Optics Communications, v. 321, p. 150-156, 2014. |
| 4. | SOUSA, J.R.R. ; FILHO, A. F. G. F. ; FERREIRA, A. C. ; BATISTA, G. S. ; SOBRINHO, C. S. ; BASTOS, A. M. ; LYRA, M. L. ; SOMBRA, A. S. B. . Generation of logic gates based on a photonic crystal fiber Michelson interferometer. Optics Communications, v. 322, p. 143-149, 2014. |
| 5. | BASTOS, A. M. ; MENEZES, J. W. M. ; KAMSHILIN, A. A. ; SOMBRA, A. S. B. . Hybrid Opto-Mechanical Current Sensor Based on a Mach-Zehnder Fiber Interferometer. IEEE Sensors Journal, v. 14, p. 1056-1060, 2014. |
| 6. | COSTA, M. B. C. ; BASTOS, A. M. ; COELHO, A. G. ; Sobrinho, C. S. ; LYRA, M. L. ; SOMBRA, A. S. B. . High Contrast Optical -OR- Logic Gates Using a Photonic Crystal Fiber Modulated by PAM-ASK. Journal of Optical Communications, v. 35, p. 1-10, 2014. |
| 7. | SOUSA, D. G. ; SARAIVA, G. D. ; Filho, J. M. S. ; FILHO, J. M. ; SOMBRA, A. S. B. . Dielectric and microwave properties study of TiFeNbO6 ceramics added Bi2O3. Journal of Materials Science: Materials in Electronics, v. 25, p. 4450-4457, 2014. |
| 8. | LIMA, A. WIRTH ; SOMBRA, A. S. B. . A nanophotonic switching cell. Journal of Optics, v. 16, p. 105005, 2014. |
| 2013 | |
| 1. | MACÊDO, A.A.M. ; SOMBRA, A.S.B. ; MAZZETTO, S.E. ; SILVA, C.C. . Influence of the polysaccharide galactomannan on the dielectrical characterization of hydroxyapatite ceramic. Composites Part B: Engineering, v. 44, p. 95-99, 2013. |
| 2. | COELHO, A. G. ; QUEIROZ, A. S. B. ; SILVA, M. G. ; LYRA, M. L. ; SOMBRA, A. S. B. . Switching and enhanced bistability in an asymmetric nonlinear directional coupler with a metamaterial channel. Communications in Nonlinear Science and Numerical Simulation , v. 18, p. 1258-1268, 2013. |
| 3. | COELHO, A. G. ; COSTA, M. B. C. ; FERREIRA, A. C. ; SILVA, M. G. ; LYRA, M. L. ; SOMBRA, A. S. B. . Realization of All-Optical Logic Gates in a Triangular Triple-Core Photonic Crystal Fiber. Journal of Lightwave Technology, v. 31, p. 731-739, 2013. |
| 4. | GUIMARÃES, G. F. ; BASTOS, A. M. ; FERREIRA, A. C. ; QUEIROZ, A. S. B. ; MENEZES, J.W.M. ; DE SOUSA, J. R. R. ; SOMBRA, A. S. B. . Analysis of the Performance of Optical Code-Division Multiple-Access System (OCDMA), Operating with Gold Codes under Nonlinear Effects. Journal of Electromagnetic Analysis and Applications, v. 5, p. 49-57, 2013. |
| 5. | ROCHA, G.N. ; MELO, L.F.L. ; DANTAS, S.M. ; AYALA, A.P. ; SOMBRA, A.S.B. ; ALMEIDA, A.F.L. ; MENEZES, A.S. ; FECHINE, P.B.A. . Preparation and Study of Bismuth Rare-Earth Tungstate Composite Screen-Printed Thick Films. Journal of Electronic Materials, v. 42, p. 752-760, 2013. |
| 6. | MALLMANN, E. J. J. ; SOMBRA, A. S. B. ; GOES, J. C. ; FECHINE, P. B. A. . Yttrium Iron Garnet: Properties and Applications Review. Solid State Phenomena, v. 202, p. 65-96, 2013. |
| 7. | SANCHO, E. O. ; SILVA, P. M. O. ; JÚNIOR, G. F. M. PIRES ; RODRIGUES, H. O. ; FREITAS, D. B. ; SOMBRA, A. S. B. . High dielectric permittivity of SrBi2Nb2O9(SBN) added Bi2O3 and La2O3. Journal of Electroceramics, v. 30, p. 119-128, 2013. |
| 8. | RODRIGUES, H. O. ; SALES, A. J. M. ; PIRES JUNIOR, G. F. M. ; ALMEIDA, J. S. ; SILVA, M. A. S. ; SOMBRA, A. S. B. . Experimental and Numerical Investigation of Dielectric Resonator Antenna Based on the Bifeo3 Ceramic Matrix Added with Bi2o3 Or Pbo. Journal of Alloys and Compounds, v. 576, p. 324-331, 2013. |
| 9. | PEREIRA, F. M. M. ; SOMBRA, A. S. B. . A Review on BaxSr1-xFe12O19 Hexagonal Ferrites for use in Electronic Devices. Solid State Phenomena, v. 202, p. 1-64, 2013. |
| 10. | RODRIGUES, C. A. ; FILHO, J. M. S. ; SILVA, P. M. O. ; SILVA, M. A. S. ; JUNQUEIRA, C. C. M. ; SOMBRA, A. S. B. . High dielectric permittivity and low loss of SrBi4Ti4O15 with PbO and V2O5 additions for RF and microwave applications. Journal of Materials Science: Materials in Electronics, v. 24, p. 3467-3473, 2013. |
| 11. | PINHEIRO, A. G. ; SARAIVA, G. D. ; MENDES FILHO, J. ; SOMBRA, A. S. B. . Preparation of Bi4Ti3O12 (BIT) Ceramics via a High-Energy Ball Milling Process Doped with Multi-Walled Carbon Nanotubes (MWNTs). Materials Sciences and Applications, v. 04, p. 549-555, 2013. |
| 12. | ROMEU, M. C. ; OLIVEIRA, R. G. M. ; SALES, A. J. M. ; SILVA, P. M. O. ; Filho, J. M. S. ; COSTA, M. M. ; SOMBRA, A. S. B. . Impedance spectroscopy study of TiO2 addition on the ceramic matrix Na2Nb4O11. Journal of Materials Science: Materials in Electronics, v. 24, p. 4993-4999, 2013 . |
| 2012 | |
| 1. | FERREIRA, A.C. ; COSTA, M. B. C. ; COÊLHO, A. G. ; SOBRINHO, C. S. ; LIMA, J. L. S. ; MENEZES, J. W. M. ; LYRA, M. L. ; SOMBRA, A. S. B. . Analysis of the nonlinear optical switching in a Sagnac interferometer with non-instantaneous Kerr effect.Optics Communications, v. 285, p. 1408-1417, 2012. |
| 2. | ROCHA, M. J. S. ; FILHO, M. C. C. ; THEOPHILO, K. R. B. ; Denardin, J.C. ; VASCONCELOS, I. F. ; ARAUJO, E. B. ; SOMBRA, A. S. B. . Ferrimagnetism and Ferroelectricity of the Composite Matrix: SrBi2Nb2O9 (SBN)X-BaFe12019(BFO)100–X;. Materials Sciences and Applications, v. 03, p. 6-17, 2012. |
| 3. | FURTADO FILHO, A. G. ; SOUSA, J. R. R. ; MORAIS NETO, A. F. ; MENEZES, J. W. M. ; SOMBRA, A. S. B. . Periodic Modulation of Nonlinearity in a Fiber Bragg Grating: A Numerical Investigation. Journal of Electromagnetic Analysis and Applications, v. 04, p. 53-59, 2012. |
| 4. | SABOIA, K. D. A. ; QUEIROZ, A. S. B. ; LIMA, F. T. ; SARAIVA SOBRINHO, C. ; MENEZES, J. W. M. ; SOMBRA, A. S. B. . Optical Bistability in an Acousto-Optic Tunable Filter (AOTF) Operating with Short Optical Pulses. Journal of Electromagnetic Analysis and Applications, v. 04, p. 112-117, 2012. |
| 5. | ROCHA, G. N. ; MELO, L. F. L. ; DA SILVA, M. A. S. ; SILVA, P. V. S. ; SOMBRA, A. S. B. ; FECHINE, P. B. A. . Study of the performance of dielectric resonator antennas based on the matrix BiREWO6 [RE = Gd, Y, Nd]. Microwave and Optical Technology Letters, v. 54, p. 18-23, 2012. |
| 6. | LIMA, A. W. ; SOMBRA, A. S. B. . Photonic crystal electro-optical switching cell. Optics Communications, v. 285, p. 3195-3201, 2012. |
| 7. | ROCHA, M. J. S. ; SILVA, P. M. O. ; THEOPHILO, K. R. B. ; SANCHO, E. O. ; PAULA, P. V. L. ; SILVA, M. A. S. ; HONORATO, S. B. ; SOMBRA, A. S. B. . High dielectric permittivity in the microwave region of SrBi2Nb2O9 (SBN) added La2O3, PbO and Bi2O3, obtained by mechanical alloying. Physica Scripta, v. 86, n. 2/025701, p. 1-9, 2012. |
| 8. | SALES, A.J.M. ; OLIVEIRA, P.W.S. ; ALMEIDA, J.S. ; COSTA, M.M. ; RODRIGUES, H.O. ; SOMBRA, A. S. B. . Copper concentration effect in the dielectric properties of BiNbO4 for RF applications. Journal of Alloys and Compounds, v. 542, p. 264-270, 2012. |
| 9. | SILVA, M. A. S. ; FERNANDES, T. S. M. ; SOMBRA, A. S. B. . An alternative method for the measurement of the microwave temperature coefficient of resonant frequency (τf). Journal of Applied Physics, v. 112, p. 074106, 2012. |
| 10. | WIRTH LIMA JR, A. ; SOMBRA, A. S. B. . Random photonic crystal optical memory. Journal of Optics, v. 14, p. 105402, 2012. |
| 11. | MENEZES, J. W. M. ; SOUSA, J. R. R. ; COSTA, M. B. C. ; FERREIRA, A. C. ; LIMA, F. T. ; SOBRINHO, C. S. ; LYRA, M. L. ; SOMBRA, A. S. B. . Numerical analysis of the instantaneous and relaxed KERR model for generation of the all-optical logic gates with Triangular Fiber Coupler (TFC). Journal of Nonlinear Optical Physics & Materials, v. 21, p. 1250037, 2012. |
| 12. | HAAPALAINEN, M. ; GIROLAMO, S. ; SOMBRA, A. S. B. ; ROMASHKO, R. V. ; KAMSHILIN, A. A. . Contactless Adaptive Fiber-Optic Sensor for Measurement of Electrical Alternating Currents. Pacific Science Review, v. 14, p. 327-330, 2012. |
| 2011 | |
| 1. | RODRIGUES, H.O. ; PIRES JUNIOR, G.F.M. ; SALES, A.J.M. ; SILVA, P.M.O. ; COSTA, B.F.O. ; ALCANTARA, P. ; MOREIRA, S.G.C. ; SOMBRA, A. S. B. . BiFeO3 ceramic matrix with Bi2O3 or PbO added: Mössbauer, Raman and dielectric spectroscopy studies.Physica B: Condensed Matter, v. 406, p. 2532-2539, 2011. |
| 2. | LIMA, A. WIRTH ; SOMBRA, A. S. B. . Photonic crystal optical memory. Applied Physics A: Materials Science & Processing, v. 103, p. 521-524, 2011. |
| 3. | COSTA, M. M. ; PIRES, G. F. M. ; TEREZO, A. J. ; GRAÇA, M. P. F. ; SOMBRA, A. S. B. . Impedance and modulus studies of magnetic ceramic oxide Ba2Co2Fe12O22 (Co2Y) doped with Bi2O3. Journal of Applied Physics, v. 110, p. 034107-034107-7, 2011. |
| 4. | COSTA, M.M. ; SOHN, R.S.T.M. ; MACÊDO, A.A.M. ; MAZZETTO, S.E. ; GRAÇA, M.P.F. ; SOMBRA, A. S. B. . Study of the temperature and organic bindings effects in the dielectric and structural properties of the lithium ferrite ceramic matrix (LiFe5O8).Journal of Alloys and Compounds, v. 509, p. 9466-9471, 2011. |
| 5. | MALLMANN, E. J. J. ; GOES, J. C. ; FIGUEIRO, S. D. ; RICARDO, N. M. P. ; DENARDIN, J.C. ; SOMBRA, A. S. B. ; MAIA, F. J. N. ; MAZZETTO, S. E. ; FECHINE, P. B. A. . Microstructure and magneto-dielectric properties of the chitosan/gelatin-YIG biocomposites. Express Polymer Letters, v. 5, p. 1041-1049, 2011. |
| 6. | SILVA, C. C. ; SOMBRA, A. S. B. . Temperature Dependence of the Magnetic and Electric Properties of Ca2Fe2O5. Materials Sciences and Applications, v. 02, n. 9, p. 1349-1353, 2011. |
| 7. | COSTA, A. D. S. B. ; COSTA, R. C. S. ; AMARANTE, F. W. O. ; FERNANDES, T. S. M. ; SARAIVA, G. D. ; SILVA, M. A. S. ; SOMBRA, A. S. B. . High thermal stability of the microwave dielectric properties of CaTi1−x(Nb2/3Li1/3)xO3− alloys. Physica Scripta, v. 84, n. 5/055701, p. 1-7, 2011. |
| 8. | COSTA, A. D. S. B. ; ROMEU, M. C. ; COSTA, R. C. S. ; FERNANDES, T. S. M. ; AMARANTE, F. W. O. ; SILVA, M. A. S. ; SARAIVA, G. D. ; SOMBRA, A. S. B. . HIGH THERMAL STABILITY OF MICROWAVE DIELECTRIC PROPERTIES OF CaTi1-X(Nb 1/2FeLi1/2)XO3 CERAMICS. Journal of Advanced Dielectrics, v. 1, n. 4, p. 1-11, 2011. |
| 9. | MENEZES, J. W. M. ; FRAGA, W. B. ; LIMA, F. T. ; GUIMARÃES, G. F. ; FERREIRA, A. C. ; LYRA, M. L. ; SOMBRA, A. S. B. .Study of the Performance of an All-Optical Half-Adder Based on Three-Core Non-Linear Directional Fiber Coupler Under Delayed and Instantaneous Non-Linear Kerr Responses. Fiber and Integrated Optics, v. 30, n. 3, p. 201-230, 2011. |
| 10. | VALENTE, M.A. ; PERES, M. ; NICO, C. ; MONTEIRO, T. ; GRAÇA, M.P.F. ; SOMBRA, A. S. B. ; SILVA, C.C. . Morphological, structural, optical and dielectric properties of 91SiO2:4Li2O:4Nb2O5:1Dy2O3 (% mole) glass prepared by sol gel. Optical Materials, v. 33, p. 1964-1969, 2011. |
| 11. | ALMEIDA, J. S. ; FERNANDES, T. S. M. ; SALES, A. J. M. ; SILVA, M. A. S. ; Júnior, G. F. M. P. ; RODRIGUES, H. O. ; SOMBRA, A. S. B. . Study of the structural and dielectric properties of Bi2O3 and PbO addition on BiNbO4 ceramic matrix for RF applications.Journal of Materials Science: Materials in Electronics, v. 22, p. 978-987, 2011. |
| 2010 | |
| 1. | LIMA JUNIOR, A. W. ; SOMBRA, A. S. B. . Full Analysis of an All-Optical Photonic Crystal Switch. International Journal of Nanoscience, v. 9, p. 57-67, 2010. |
| 2. | PIRES JÚNIOR, G.F.M. ; RODRIGUES, H.O. ; ALMEIDA, J.S. ; SANCHO, E.O. ; GÓES, J.C. ; COSTA, M.M. ; DENARDIN, J.C. ; SOMBRA, A. S. B. . Study of the dielectric and magnetic properties of Co2Y, Y-type hexaferrite (Ba2Co2Fe12O22) added with PbO and Bi2O3 in the RF frequency range. Journal of Alloys and Compounds, v. 493, p. 326-334, 2010. |
| 3. | GRAÇA, M.P.F. ; SILVA, C.C. ; COSTA, L.C. ; SOMBRA, A. S. B. ; VALENTE, M.A. . Dielectric and structural properties of SiO2-LiFe5O8 glass ceramics prepared by sol gel processing. Journal of Non-Crystalline Solids, v. 356, p. 607-610, 2010. |
| 4. | SILVA, C.C. ; GOUVEIA, D.X. ; GRAÇA, M.P.F. ; COSTA, L.C. ; SOMBRA, A. S. B. ; VALENTE, M.A. . Study of the structural and dielectric properties of xLiFe5O8?(100?x) LiNbO3 composites, processed using microwave energy. Journal of Non-Crystalline Solids, v. 356, p. 602-606, 2010. |
| 5. | VALENTE, M.A. ; SILVA, C.C. ; SOMBRA, A. S. B. ; GRAÇA, M.P.F. . Dielectric spectroscopy of LiNbO3 and TmNbO4 nanocrystals embedded in a SiO2 glass matrix. Journal of Non-Crystalline Solids, v. 356, p. 800-804, 2010. |
| 6. | COSTA, M.M. ; PIRES JÚNIOR, G.F.M. ; SOMBRA, A. S. B. . Dielectric and impedance properties’ studies of the of lead doped (PbO)-Co2Y type hexaferrite (Ba2Co2Fe12O22 (Co2Y)). Materials Chemistry and Physics, v. 123, p. 35-39, 2010. |
| 7. | MENEZES, J. W. M. ; FRAGA, W. B. ; FERREIRA, A. C. ; GUIMARAES, G. F. ; Filho, A. F. G. F. ; Sobrinho, C. S. ; SOMBRA, A. S. B. . All-Optical Half-Adder Using All-Optical XOR and AND Gates for Optical Generation of “Sum” and “Carry”. Fiber and Integrated Optics, v. 29, p. 254-271, 2010. |
| 8. | FILHO, A. F. G. F. ; DE SOUSA, J. R. R. ; GUIMARAES, G. F. ; ROCHA, H. H. B. ; FERREIRA, A. C. ; LIMA, F. T. ; SOMBRA, A. S. B. . Add-Drop Demultiplexer Operating in an Optical Michelson Interferometer Based in Fiber Bragg Gratings for Time Division Multiple Access Systems. Fiber and Integrated Optics, v. 29, p. 239-253, 2010. |
| 9. | RODRIGUES, H.O. ; PIRES JUNIOR, G.F.M. ; ALMEIDA, J.S. ; SANCHO, E.O. ; FERREIRA, A.C. ; SILVA, M.A.S. ; SOMBRA, A. S. B. . Study of the structural, dielectric and magnetic properties of Bi2O3 and PbO addition on BiFeO3 ceramic matrix. Journal of Physics and Chemistry of Solids, v. 71, p. 1329-1336, 2010. |
| 10. | CANABARRO, A. A. ; SANTOS, B. ; GLERIA, IRAM ; LYRA, M. L. ; SOMBRA, A. S. B. . Interplay of XPM and nonlinear response time in the modulational instability of copropagating optical pulses. Journal of the Optical Society of America B, v. 27, p. 1878-1885, 2010. |
| 11. | VERÍSSIMO, D.M. ; LEITÃO, R.F.C. ; RIBEIRO, R.A. ; FIGUEIRÓ, S.D. ; SOMBRA, A. S. B. ; GÓES, J.C. ; BRITO, G.A.C. . Polyanionic collagen membranes for guided tissue regeneration: Effect of progressive glutaraldehyde cross-linking on biocompatibility and degradation. Acta Biomaterialia, v. 6, p. 4011-4018, 2010. |
| 12. | COSTA, M.M. ; TEREZO, A.J. ; MATOS, A.L. ; MOURA, W.A. ; GIACOMETTI, JOSÉ A. ; SOMBRA, A. S. B. . Impedance spectroscopy study of dehydrated chitosan and chitosan containing LiClO4. Physica B: Condensed Matter, v. 405, p. 4439-4444, 2010. |
| 13. | ESMERALDO, M. A. ; BARRETO, A. C. H. ; FREITAS, J. E. B. ; FECHINE, P. B. A. ; SOMBRA, A. S. B. ; CORRADINI, E. ; MELE, G. ; MAFFEZZOLI, A. ; MAZZETTO, S. E. . Dwarf-green coconut fibers: a versatile natural renewable raw bioresource. Treatment, morphology and physicochemical properties. Bioresources, v. 5, p. 2478-2501, 2010. |
| 14. | PEREIRA, F. M. M. ; SOHN, R. S. T. M. ; RODRIGUES, H. O. ; JÚNIOR, G. F. M. P. ; THEOPHILO, K. R. B. ; ROCHA, M. J. S. ; SILVA, M. A. S. ; SOMBRA, A. S. B. . Experimental and numerical investigation of a magnetic resonator antenna based on the m-type hexaferrite (BaxSr12xFe12O19). Microwave and Optical Technology Letters, v. 52, p. 452-458, 2010. |
| 15. | SOHN, R S T M ; MACÊDO, A A M ; COSTA, M M ; MAZZETTO, S E ; SOMBRA, A. S. B. . Studies of the structural and electrical properties of lithium ferrite (LiFe5O8). Physica Scripta, v. 82, p. 055702-055708, 2010. |
| 16. | FIGUEIRO, S. D. ; MALLMANN, E. J. J. ; GOES, J. C. ; RICARDO, N. M. P. S. ; DENARDIN, J.C. ; SOMBRA, A. S. B. ; FECHINE, P. B. A. . New ferrimagnetic biocomposite film based in collagen and yttrium iron garnet. Express Polymer Letters, v. 4, p. 790-797, 2010. |
| 17. | BARRETO, A. C. H. ; COSTA, M. M. ; SOMBRA, A. S. B. ; ROSA, D. S. ; NASCIMENTO, R. F. ; MAZZETTO, S. E. ; FECHINE, P. B. A. . Chemically Modified Banana Fiber: Structure, Dielectrical Properties and Biodegradability. Journal of Polymers and the Environment, v. 18, p. 523-531, 2010. |
| 18. | MENEZES, J. W. M. ; SOUSA, J. R. R. ; FRAGA, W. B. ; LOPES, V. C. M. ; LIMA, F. T. ; Sobrinho, C. S. ; SOMBRA, A. S. B. . Spatiotemporal optical solitons in planar waveguide with periodically modulated cubic-quintic nonlinearity. Optical and Quantum Electronics, v. 42, p. 179-192, 2010. |
| 2009 | |
| 1. | FECHINE, P. B. A. ; SILVA, E. N. ; MENEZES, A S ; DEROV, J. ; STEWART, J. W. ; DREHMAN, A. J. ; VASCONCELOS, I. F. ; AYALA, A. P. ; CARDOSO, L. P. ; SOMBRA, A. S. B. . Synthesis, Structure and Vibracional Properties of GdIGX:YIG1-X Ferrimagnetic Ceramic Matrix Composite. Journal of Physics and Chemistry of Solids, v. 70, p. 202-209, 2009. |
| 2. | FREIRE, F. N. A. ; SANTOS, M. R. P. ; PEREIRA, F. M. M. ; SOHN, R. S. T. M. ; ALMEIDA, J. S. ; MEDEIROS, A. M. L. ; SANCHO, E. O. ; COSTA, M. M. ; SOMBRA, A. S. B. . Studies of the Temperature Coefficient of Capacitance (TCC) of a New Electroceramic Composite: Pb(Fe0.5Nb0.5)O3 (PFN)-Cr0.75Fe1.25O3(CRFO). Journal of Materials Science: Materials in Electronics, v. 20, p. 149-156, 2009. |
| 3. | ALMEIDA, A. F. L. ; FECHINE, P. B. A. ; GRAÇA, M. P. F. ; VALENTE, M. A. ; SOMBRA, A. S. B. . Structural and Electrical Study of CaCu3Ti4O12 (CCTO) Obtained in a New Ceramic Procedure. Journal of Materials Science: Materials in Electronics, v. 20, p. 163-170, 2009. |
| 4. | COSTA, R. C. S. ; COSTA, A. D. S. B. ; FREIRE, F. N. A. ; SANTOS, M. R. P. ; ALMEIDA, J. S. ; SOHN, R. S. T. M. ; SASAKI, J. M. ; SOMBRA, A. S. B. . Structural properties of CaTi1-x(Nb2/3Li2/3)xO3-y (CNLTO) and CaTi1-x(Nb1/2Ln1/2)xO3 (Ln=Fe (CNFTO), Bi (CNBTO)), modified dielectric ceramics for microwave applications. Physica B: Condensed Matter, v. 404, p. 1409-1414, 2009. |
| 5. | SILVA, C. C. ; GRAÇA, M. P. F. ; SOMBRA, A. S. B. ; VALENTE, M. A. . Structural and Electrical Study of Calcium Phosphate Obtained by a Microwave Radiation Assisted Procedure. Physica B: Condensed Matter, v. 404, p. 1503-1508, 2009. |
| 6. | SILVA, G. L. ; GLERIA, I. ; LYRA, M. L. ; SOMBRA, A. S. B. . Modulational Instability in Lossless Fibers with Saturable Delayed Nonlinear Response. Journal of the Optical Society of America B, v. 26, p. 183-188, 2009. |
| 7. | FECHINE, P. B. A. ; ALMEIDA, A. F. L. ; OLIVEIRA, R. S. ; SILVA, R. R. ; SOMBRA, A. S. B. . Bulk and Patch Ferrite Resonator Antennas Based in the Ceramic Matrix Composite: GdIGXYIG1-X. Microwave and Optical Technology Letters, v. 51, p. 1595-1602, 2009. |
| 8. | SILVA, C C ; GRAÇA, M P F ; VALENTE, M A ; SOMBRA, A. S. B. . Structural study of Fe O -doped calcium phosphates obtained by the mechanical milling method. Physica Scripta, v. 79, p. 055601-044606, 2009. |
| 9. | PEREIRA, F. M. M. ; SANTOS, M. R. P. ; SOHN, R. S. T. M. ; ALMEIDA, J. S. ; MEDEIROS, A. M. L. ; COSTA, M. M. ; SOMBRA, A. S. B. . Magnetic and dielectric properties of the M-type barium strontium hexaferrite (Ba x Sr1− x Fe12O19) in the RF and microwave (MW) frequency range. Journal of Materials Science: Materials in Electronics, v. 20, p. 408-417, 2009. |
| 10. | LIMA JUNIOR, A. W. ; SOMBRA, A. S. B. . Switching Cell Embedded in Photonic Crystal. Microsystem Technologies, v. 15, p. 821-825, 2009. |
| 11. | FERREIRA, A. C. ; SARAIVA SOBRINHO, C. ; MENEZES, J. W. M. ; FRAGA, W. B. ; ROCHA, H. H. B. ; LIMA JUNIOR, A. W. ; SABOIA, K. D. A. ; GUIMARAES, G. F. ; SILVA FILHO, J. M. ; SOMBRA, A. S. B. . A performance study of an all-optical logic gate based in PAM-ASK. Journal of Modern Optics, v. 56, p. 1004-1013, 2009. |
| 12. | FECHINE, P. B. A. ; PEREIRA, F. M. M. ; SANTOS, M. R. P. ; FILHO, F. P. ; MENEZES, A S ; OLIVEIRA, R. S. ; GOES, J. C. ; CARDOSO, L. P. ; SOMBRA, A. S. B. . Microstructure and magneto-dielectric properties of ferrimagnetic composite GdIGX:YIG1−X at radio and microwave frequencies. Journal of Physics and Chemistry of Solids, v. 70, p. 804-810, 2009. |
| 13. | ROCHA, H. H. B. ; FREIRE, F. N. A. ; SILVA, R. R. ; PAIVA, J. A. C. ; SASAKI, J. M. ; SANTOS, M. R. P. ; GOES, J. C. ; SOMBRA, A. S. B. . STRUCTURAL PROPERTIES STUDY OF THE MAGNETO-DIELECTRIC COMPOSITE Cr0.75Fe1.25O3 (CRFO)-Fe0.5Cu0.75Ti0.75O3 (FCTO). Journal of Alloys and Compounds, v. 481, p. 438-445, 2009. |
| 14. | LIMA JUNIOR, A. W. ; SILVA, M. G. ; FERREIRA, A. C. ; SOMBRA, A. S. B. . All-optical nonlinear switching cell made of photonic crystal. Journal of the Optical Society of America A, v. 26, p. 1661-1667, 2009. |
| 15. | FRAGA, W. B. ; MENEZES, J. W. M. ; SOBRINHO, C. S. ; FERREIRA, A. C. ; GUIMARÃES, G. F. ; LIMA JUNIOR, A. W. ; FILHO, A. F. G. F. ; ROCHA, H. H. B. ; SABÓIA, K. D. A. ; LIMA, F. T. ; FILHO, J. M. S. ; SOMBRA, A. S. B. . Numerical analysis of the stability of optical bullets (2 + 1) in a planar waveguide with cubic quintic nonlinearity. Optical and Quantum Electronics, v. 41, p. 121-130, 2009. |
| 16. | SILVA, C. C. ; VASCONCELOS, I. F. ; SOMBRA, A. S. B. ; VALENTE, M. A. . Magnetic properties study on Fe-doped calcium phosphate. Physica Scripta, v. 80, p. 055706-055709, 2009. |
| 17. | FECHINE, P. B. A. ; ROCHA, H. H. B. ; MORETZSOHN, R. S. T. ; DENARDIN, J. C. ; LAVIN, R. ; SOMBRA, A. S. B. . Study of a microwave ferrite resonator antenna, based on a ferrimagnetic composite (Gd3Fe5O12)GdIGX (Y3Fe5O12)YIG1?X. IET Microwaves, Antennas & Propagation, v. 3, n. 8, p. 1191-1198, 2009. |
| 18. | SILVA, C. C. ; SOMBRA, A. S. B. . Structural studies of calcium phosphate doped with titanium and zirconium obtained by high-energy mechanical alloying. Physica Scripta, v. 80, p. 065801-065805, 2009. |
| 19. | ROCHA, H. H. B. ; LIMA, J. L. S. ; SARAIVA SOBRINHO, C. ; FERREIRA, A. C. ; SALES, J. C. ; SOMBRA, A. S. B. . Soliton–like pulse dynamics in add–drop optical filters based on nonlinear fiber grating couplers. Optical and Quantum Electronics, v. 41, p. 441-452, 2009. |
| 20. | LIMA JUNIOR, A. W. ; SOMBRA, A. S. B. . Switching Cell of Directional Coupler Embedded in Photonic Crystal Driven by an External Command (for the C, L, and U bands of ITU). Journal of communication and information systems, v. 24, p. 40-45, 2009. |
| 2008 | |
| 1. | FREIRE, F. N. A. ; ROCHA, H. H. B. ; SANTOS, M. R. P. ; FECHINE, P. B. A. ; PEREIRA, F. M. M. ; SOHN, R. S. T. M. ; VASCONCELOS, I. F. ; SOMBRA, A. S. B. . Structural Studies of a New Electroceramic Composite: Pb(Fe0.5Nb0.5)O3 (PFN)-Cr0.75Fe1.25O3(CRFO). Journal of Materials Science, v. 43, n. 1, p. 75-82, 2008. |
| 2. | ALMEIDA, A. F. L. ; SILVA, R. R. ; ROCHA, H. H. B. ; FECHINE, P. B. A. ; CAVALCANTE, F. S. A. ; VALENTE, M. A. ; FREIRE, F. N. A. ; SOHN, R. S. T. M. ; SOMBRA, A. S. B. . Experimental and Numerical Investigation of a Ceramic Dielectric Resonator (DRA): CaCu3Ti4O12 (CCTO). Physica B: Condensed Matter, v. 403, p. 586-594, 2008. |
| 3. | SARAIVA SOBRINHO, C. ; FERREIRA, A. C. ; MENEZES, J. W. M. ; GUIMARÃES, G. F. ; FRAGA, W. B. ; FURTADO FILHO, A. F. G. ; ROCHA, H. H. B. ; MARCIANO, S. P. ; SABOIA, K. D. A. ; SOMBRA, A. S. B. . Analysis of an Optical Logic Gate Using a Symmetric Coupler Operating With Pulse Position Modulation (PPM). Optics Communications, v. 281, p. 1056-1064, 2008. |
| 4. | LIMA, J. L. S. ; SABOIA, K. D. A. ; SALES, J. C. ; MENEZES, J. W. M. ; FRAGA, W. B. ; GUIMARÃES, G. F. ; SOMBRA, A. S. B. . Optical Short Pulse Switching Characteristics of Ring Resonators. Optical Fiber Technology, v. 14, p. 79-83, 2008. |
| 5. | SILVA, C. C. ; FILHO, F. P. ; SOMBRA, A. S. B. ; ROSA, I. L. V. ; LEITE, E. R. ; LONGO, E. ; VARELA, J. A. . Study of Structural and Photoluminescent Properties of Ca8Eu2(PO4)6O2. Journal of Fluorescence, v. 18, p. 253-259, 2008. |
| 6. | PEREIRA, F. M. M. ; RODRIGUES JUNIOR, C. A. ; SANTOS, M. R. P. ; SOHN, R. S. T. M. ; FREIRE, F. N. A. ; SASAKI, J. M. ; PAIVA, J. A. C. ; SOMBRA, A. S. B. . Structural and Dielectric Spectroscopy Studies of the M-Type Barium Strontium Hexaferrite Alloys (BaxSr1-xFe12O19). Journal of Materials Science: Materials in Electronics, v. 19, n. 7, p. 627-638, 2008. |
| 7. | GRAÇA, M. P. F. ; SILVA, M. G. F. ; SOMBRA, A. S. B. ; VALENTE, M. A. . The dielectric behaviour of a thermoelectric treated B2O3-Li2O-Nb2O5 glass. Journal of Non-Crystalline Solids, v. 354, p. 3408-3413, 2008. |
| 8. | ROCHA, H. H. B. ; FREIRE, F. N. A. ; SANTOS, M. R. P. ; SASAKI, J. M. ; CORDARO, T ; SOMBRA, A. S. B. . Radio-Frequency (RF) Studies of the Magneto-Dielectric Composites: Cr0.75Fe1.25O3 (CRFO)-Fe0.5Cu0.75Ti0.75O3 (FCTO). Physica B: Condensed Matter, v. 403, p. 2902-2909, 2008. |
| 9. | FECHINE, P. B. A. ; ROCHA, M. J. S. ; SANTOS, M. R. P. ; PEREIRA, F. M. M. ; MENEZES, A S ; ABREU, J. A. M. ; GOES, J. C. ; AYALA, A. P. ; SOMBRA, A. S. B. . Microstructural and Electrical Properties of PbTIO3 Screen-Printed Thick Films. Journal of Materials Science: Materials in Electronics, v. 19, n. 10, p. 973-980, 2008. |
| 10. | FREIRE, F. N. A. ; ROCHA, H. H. B. ; SOHN, R. S. T. M. ; SILVA, M. G. ; SANTOS, M. R. P. ; JUNQUEIRA, C. C. M. ; CORDARO, T ; SOMBRA, A. S. B. . Bandwidth Enhancement of Stacked Dielectric Resonator Antennas Excited by a Coaxial Probe: an experimental and numerical investigation. IET Microwaves, Antennas and Propagation, v. 2, n. 6, p. 580-587, 2008. |
| 11. | FECHINE, P. B. A. ; SOMBRA, A. S. B. ; FREITAS JR, J. A. . Dielectric studies of Metal/n-GaN/Metal Schottky contacts in the radio frequency range. Journal of Crystal Growth, v. 310, n. 17, p. 3992-3997, 2008. |
| 12. | FECHINE, P. B. A. ; SOHN, R. S. T. M. ; COSTA, R. C. S. ; DEROV, J. ; STEWART, J. W. ; DREHMAN, A. J. ; JUNQUEIRA, C. C. M. ; SOMBRA, A. S. B. . Magneto-dielectric properties of the Y3Fe5O12 and Gd3Fe5O12 dielectric ferrite resonator antennas.Microwave and Optical Technology Letters, v. 50, n. 11, p. 2852-2857, 2008. |
| 13. | FILHO, F. P. ; NOGUEIRA, R. E. F. Q. ; GRAÇA, M. P. F. ; VALENTE, M. A. ; SOMBRA, A. S. B. ; SILVA, C. C. . Structural and Mechanical Study of the Sintering Effect in Hydroxyapatite Doped with Iron Oxide. Physica B: Condensed Matter, v. 403, p. 3826-3929, 2008. |
| 14. | FURTADO FILHO, A. F. G. ; SOUSA, J. R. R. ; LIMA, F. T. ; FRAGA, W. B. ; GUIMARAES, G. F. ; MENEZES, J. W. M. ; SOMBRA, A. S. B. . A Performance Study of a Nonlinear All Fiber Michelson Interferometer, Add-Drop Multiplexer, Based in Fyber Bragg Grating Mirrors. Optical and Quantum Electronics, v. 40, p. 525-534, 2008. |
| 15. | SILVA FILHO, J. M. ; MENEZES, J. W. M. ; GUIMARÃES, G. F. ; FERREIRA, A. C. ; FRAGA, W. B. ; FURTADO FILHO, A. F. G. ; SOMBRA, A. S. B. . Raman Amplification and Optical Short Pulse Generation in a Waveguide With Periodic Gain. Optics Communications, v. 281, p. 5804-5810, 2008. |
| 16. | SILVA, C. C. ; FILHO, F. P. ; GRAÇA, M. P. F. ; VALENTE, M. A. ; SOMBRA, A. S. B. . Dielectrical and structural characterization of iron oxide added to hydroxyapatite. Bulletin of Materials Science, v. 31, p. 635-638, 2008. |
| 17. | SANTOS, M. R. P. ; FREIRE, F. N. A. ; SOHN, R. S. T. M. ; ALMEIDA, J. S. ; SANCHO, E. O. ; COSTA, A. D. S. B. ; MEDEIROS, A. M. L. ; SOMBRA, A. S. B. . Electrical Properties of the Electroceramic Composite in the Microwave Frequency Range: Pb(Fe0.5Nb0.5)O3(PFN) -Cr0.75Fe1.25O3 (CRFO). Physica Scripta, v. 78, p. 65704-65709, 2008. |
| 2007 | |
| 1. | PINHEIRO, A. G. ; PEREIRA, F. M. M. ; SANTOS, M. R. P. ; ROCHA, H. H. B. ; SOMBRA, A. S. B. . Electric Properties of Bi4Ti3O12(BIT)-CaCu3Ti4O12 (CCTO) Composite Substrates for High Dielectric Constant Devices. Journal of Materials Science, v. 42, n. 6, p. 2112-2120, 2007. |
| 2. | SARAIVA SOBRINHO, C. ; RIOS, C. S. N ; MARCIANO, S. P. ; GUIMARÃES, G. F. ; SALES, J. C. ; SABOIA, K. D. A. ; ROCHA, H. H. B. ; SOMBRA, A. S. B. . A Performance Study of a Logical Gate Using PPM Optical Pulse Modulation for TDM Systems. Optics Communications, v. 275, p. 476-485, 2007. |
| 3. | GRAÇA, M. P. F. ; SILVA, M. G. F. ; SOMBRA, A. S. B. ; VALENTE, M. A. . Electric and Dielectric Properties of A SiO2-Na2O-Nb2O5 Glass Subject to a Controlled Heat-Treatment Process. Physica B: Condensed Matter, v. 396, p. 62-69, 2007. |
| 4. | SILVA, C. C. ; GRAÇA, M. P. F. ; VALENTE, M. A. ; SOMBRA, A. S. B. . Crystallite Size Study of Nanocrystalline Hydroxyapatite and Ceramic System With Titanium Oxide Obtained by Dry Ball Milling. Journal of Materials Science, v. 42, n. 11, p. 3851-3855, 2007. |
| 5. | MENESES, J. W. M. ; FRAGA, W. B. ; GUIMARÃES, G. F. ; FERREIRA, A. C. ; ROCHA, H. H. B. ; SILVA, M. G. ; SOMBRA, A. S. B. . Optical Switches and All-Fiber Logical Devices Based on Triangular and Planar Three-Core Nonlinear Optical Fiber Couplers.Optics Communications, v. 276, p. 107-115, 2007. |
| 6. | JIMENEZ, R. ; CALZADA, M. L. ; BRETOS, I. ; GOES, J. C. ; SOMBRA, A. S. B. . Dielectric properties of sol-gel derived CaCu3Ti4O12 (CCTO) thin films onto Pt/TiO2/Si(100) substrates. Journal of the European Ceramic Society, v. 27, p. 3829-3833, 2007. |
| 7. | GOES, J. C. ; FIGUEIRO, S. D. ; OLIVEIRA, A. M. ; MACEDO, A. A. M. ; SILVA, C. C. ; RICARDO, N. M. P. S. ; SOMBRA, A. S. B. . Apatite coating on anionic and native collagen films by alternate soaking process. Acta Biomaterialia, v. 3, p. 773-778, 2007. |
| 8. | PINHEIRO, A. G. ; PEREIRA, F. F. M. ; SANTOS, M. R. P. ; FREIRE, F. N. A. ; GOES, J. C. ; SOMBRA, A. S. B. . Chitosan-Hydroxyapatite (Ca10(PO4)6(OH)2) -BIT(Bi4Ti3O12) composite films: Preparation and characterization. Polymer Composites, v. 28, p. 582-587, 2007. |
| 9. | ALMEIDA, J. S. ; MENESES, J. W. M. ; FRAGA, W. B. ; SALES, J. C. ; FERREIRA, A. C. ; MARCIANO, S. P. ; FURTADO FILHO, A. F. G. ; SILVA, M. G. ; SOMBRA, A. S. B. . Logic Gates Based in Asymmetric Couplers: Numerical Analysis. Fiber and Integrated Optics, v. 26, p. 217-228, 2007. |
| 10. | GRAÇA, M. P. F. ; SILVA, M. G. F. ; SOMBRA, A. S. B. ; VALENTE, M. A. . Electrical characterization of SiO2:LiNbO3 glass and glass-ceramics using dc conductivity, TSDC measurements and dielectric spectroscopy. Journal of Non-Crystalline Solids, v. 353, p. 4390-4394, 2007. |
| 11. | SABOIA, K. D. A. ; FECHINE, P. B. A. ; SANTOS, M. R. P. ; FREIRE, F. N. A. ; PEREIRA, F. M. M. ; SOMBRA, A. S. B. . Composite Screen-Printed Thick Films for High Dielectric Constant Devices: Bi4Ti3O12(BIT)- CaCu3Ti4O12(CCTO) Films. Polymer Composites, v. 28, p. 771-777, 2007. |
| 12. | ORJUBIN, G. ; RICHALOT E. ; PICON O. ; LEGRAND O. . Chaoticity of a Reverberation Chamber Assessed From the Analysis of Modal Distributions Obtained by FEM. IEEE Transactions on Electromagnetic Compatibility, v. 49, n. 4, p. 762-771, 2007. |
| 13. | ROCHA, H. H. B. ; FREIRE, F. N. A. ; COSTA, R. C. S. ; SOHN, R. S. T. M. ; ORJUBIN, G. ; JUNQUEIRA, C. C. M. ; CORDARO, T. ; SOMBRA, A. S. B. . Dielectric resonator antenna: operation of the magneto-dielectric composites Cr0.75Fe1.25O3 (CRFO)/Fe0.5Cu0.75Ti0.75O3 (FCTO). Microwave and Optical Technology Letters, v. 49, n. 2, p. 409-413, 2006. |
| 14. | MENEZES, J. W. M. ; FRAGA, W. B. ; FERREIRA, A. C. ; SABOIA, K. D. A. ; FURTADO FILHO, A. F. G. ; GUIMARÃES, G. F. ; SOUSA, J. R. R. ; ROCHA, H. H. B. ; SOMBRA, A. S. B. . Logic Gates Based in Two and Three-Modes Nonlinear Optical Fiber Couplers. Optical and Quantum Electronics, v. 39, p. 1191-1206, 2007. |
| 2006 | |
| 1. | Fechine, P. B. A. ; Almeida, A. F. L. ; Freire, F. N. A. ; Santos, M. R. P. ; Saboia, K. D. A. ; Jimenez, R. ; Mendiola, J. ; Sombra, A. S. B. . Dielectric Relaxation of BaTiO3 (BTO)-CaCu3Ti4O12 (CCTO) Composite Screen-Printed Thick Films at Low Temperatures.Materials Chemistry and Physics, v. 96, n. 2-3, p. 402-408, 2006. |
| 2. | Silva, M. G. ; Bastos, A. M. ; Sobrinho, C. S. ; Almeida, E. F. ; Sombra, A. S. B. . Analytical and Numerical Studies of the Performance of a Periodically Modulated Nonlinear Dispersion Directional Fiber Coupler. Optical Fiber Technology, v. 12, n. 2, p. 148-161, 2006. |
| 3. | Figueiro, S. D. ; Macedo, A. A. M. ; Melo, M. R. S. ; Freitas, A. L. P. ; Moreira, R. A. ; Souza, B W S ; Oliveira, R. S. ; Goes, J. C. ; Sombra, A. S. B. . On the Dielectric Behaviour of Collagen – Algal Sulfated Polysaccharide Blends: Effect of Glutaraldehyde Crosslinking. Biophysical Chemistry, v. 120, n. 2, p. 154-159, 2006. |
| 4. | Fraga, W. B. ; Menezes, J. W. M. ; Silva, M. G. ; Sobrinho, C. S. ; Sombra, A. S. B. . All Optical Logic Gates Based in an Asymmetric Nonlinear Directional Coupler. Optics Communications, v. 262, n. 2, p. 32-37, 2006. |
| 5. | Sobrinho, C. S. ; Furtado Filho, A. F. G. ; Sales, J. C. ; Morais Neto, A. F. ; Almeida, E. F. ; Sombra, A. S. B. . Acousto-Optic Tunable Filter (Aotf) Revisited : Ultrashort Optical Pulses Crosstalk Studies on the Lossy Filter. Fiber and Integrated Optics, v. 25, n. 3, p. 195-211, 2006. |
| 6. | Silva, C. C. ; Graça, M. P. F. ; Valente, M. A. ; Sombra, A. S. B. . AC and DC Conductivity Analysis of Hydroxyapatite and Calcium Phosphate with Titanium Formed by Dry Ball Milling. Journal of Non-Crystalline Solids, v. 352, n. 9-20, p. 1490-1494, 2006. |
| 7. | Graça, M. P. F. ; Silva, M. G. F. ; Sombra, A. S. B. ; Valente, M. A. . Study of the Electric and Dielectric Properties of SiO2-Li2O-Nb2O5 Sol-Gel Glass-Ceramics. Journal of Non-Crystalline Solids, v. 352, n. 9-20, p. 1501-1505, 2006. |
| 8. | Silva, C. C. ; Graça, M P ; Valente, M. A. ; Goes, J. C. ; Sombra, A. S. B. . Microwave Preparation, Structure and Electrical Properties of Calcium-Sodium-Phosphate Biosystem. Journal of Non-Crystalline Solids, v. 352, n. 32-35, p. 3512-3517, 2006. |
| 9. | Lima, C. G. A. ; Oliveira, R. S. ; Figuero, S. D. ; Wehmann, C. F. ; Goes, J. C. ; Sombra, A. S. B. . DC Conductivity and Dielectric Permittivity of Collagen-Chitosan Films. Materials Chemistry and Physics, v. 99, n. 2-3, p. 284-288, 2006. |
| 10. | Fechine, P. B. A. ; Távora, A. ; Kretly, L. C. ; Almeida, A. F. L. ; Santos, M. R. P. ; Freire, F. N. A. ; Sombra, A. S. B. . Microstrip Antenna on a High Dielectric Constant Substrate: BaTiO3 (BTO)-CaCu3Ti4O12(CCTO) Composite Screen-Printed Thick Films.Journal of Electronic Materials, v. 35, n. 10, p. 1848-1856, 2006. |
| 11. | Graça, M. P. F. ; Silva, M. G. F. ; A. S. B. Sombra; Valente, M. A. . Electrical and Dielectrical Properties of SiO2-Li2O-Nb2O5 Glass and Glass-Ceramics Obtained by Thermoelectric Treatments. Journal of Non-Crystalline Solids, v. 352, n. 42-49, p. 5199-5204, 2006. |
| 12. | Almeida, A. F. L. ; Fechine, P. B. A. ; Kretly, L. C. ; Sombra, A. S. B. . BaTiO3 (BTO) – CaCu3Ti4O12 (CCTO) Substrates for Microwave Devices and Antennas. Journal of Materials Science, v. 41, n. 14, p. 4623-4631, 2006. |
| 13. | Saraiva Sobrinho, C. ; Rios, C. S. N ; Sombra, A. S. B. . Integrated acousto-optical temperature sensor. Fiber and Integrated Optics, v. 25, n. 6, p. 387-402, 2006. |
| 14. | Silva, C. C. ; Valente, M. A. ; Sombra, A. S. B. . The Modulus Formalism Used in the Dielectric Analysis with Optical Characterization of Hydroxyapatite and CaTi4P6O24 Ceramic Formers by Dry Ball Milling. Materials Science Forum, v. 514, p. 1087-1093, 2006. |
| 2005 | |
| 1. | Silva, M. G. ; Bastos, A. M. ; Saraiva Sobrinho, C. ; Lima, J. L. S. ; Almeida, E. F. ; Sombra, A. S. B. . Optical Crosstalk in a Periodically Inhomogeneous Nonlinear Dispersion Directional Fiber Coupler . Optical Fiber Technology, v. 11, n. 2, p. 180-192, 2005. |
| 2. | Lima, J. L. S. ; Rios, C. S. N. ; Silva, M. G. ; Saraiva Sobrinho, C. ; Almeida, E. F. ; Sombra, A. S. B. . Crosstalk and Contrast Ratio Studies of a Four Stage Mach-Zehnder Optical Fiber Demultiplexer. Optical Fiber Technology, v. 11, n. 2, p. 167-179, 2005. |
| 3. | Silva, C. C. ; Rocha, H. H. B. ; Freire, F. N. A. ; Santos, M. R. P. ; Saboia, K. D. A. ; Goes, J. C. ; Sombra, A. S. B. . Hydroxiapatite Screen-Printed Thick Films: Optical and Electrical Properties. Materials Chemistry and Physics, v. 92, n. 1, p. 260-268, 2005. |
| 4. | Wehmann, C. F. ; Fernandes, L. M. ; Saraiva Sobrinho, C. ; Silva, M. G. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Analysis of the Four Wave Mixing Effect (FWM) in a Dispersion Decreasing Fiber (DDF) For a Wdm System. Optical Fiber Technology, v. 11, n. 3, p. 306-318, 2005. |
| 5. | Silva, C. C. ; Valente, M. A. ; Graça, M. P. F. ; Sombra, A. S. B. . The Modulus Formalism Used in the Dielectric Analysis of Hydroxyapatite and Calcium Phosphate With Titanium Formed by Dry Ball Milling. Journal of Non-Crystalline Solids, v. 351, n. 33-36, p. 2945-2950, 2005. |
| 6. | Wehmann, C. F. ; Silva, M. G. ; Fernandes, L. M. ; Lima, J. L. S. ; Almeida, E. F. ; Sombra, A. S. B. . Optical Mixing Effect and Modulation Instability in a Dispersion Decreasing Fibre Operating With Picosecond Light Pulses. IEE Proceedings Optoelectronics, v. 152, n. 6, p. 292-298, 2005. |
| 2004 | |
| 1. | Silva, C. C. ; Almeida, A. F. L. ; Oliveira, R. S. ; Pinheiro, A. G. ; Goes, J. C. ; Sombra, A. S. B. . Dielectric Permittivity and Loss of Hydroxyapatite Scree-Printed Thick Films. Journal of Materials Science, v. 38, n. 18, p. 3713-3720, 2004. |
| 2. | Silva, C. C. ; Sombra, A. S. B. . Raman Spectroscopy Measurements of Hydroxyapatite Obtained by Mechanical Alloying. Journal of Physics and Chemistry of Solids, v. 65, n. 5, p. 1031-1033, 2004. |
| 3. | Almeida, A. F. L. ; Fechine, P. B. A. ; Sasaki, J. M. ; Ayala, A. P. ; Goes, J. C. ; Pontes, D. L. ; Margulis, W. ; Sombra, A. S. B. . Optical and Electrical Properties of Barium Titanate_Hydroxiapatite Composite Screen_Printed Films . Solid State Sciences, v. 6, n. 3, p. 267-278, 2004. |
| 4. | Silva, C. C. ; Pinheiro, A. G. ; Pimenta, M. A. ; Righi, A. ; Sasaki, J. M. ; Goes, J. C. ; Aranha, N. ; Oliveira, L. R. ; Sombra, A. S. B. . Properties and in Vivo Investigation of Nanocrystalline Hydroxyapatite Obtained by Mechanical Alloying. Materials Science and Engineering: C, v. 24, n. 4, p. 549-554, 2004. |
| 5. | Figueiro, S. D. ; Goes, J. C. ; Moreira, R. A. ; Sombra, A. S. B. . On the Physico-Chemical and Dielectric Propreties of Glutaraldehyde Crosslinked Galactomannan-Collagen Films. Carbohydrate Polymers, v. 56, n. 3, p. 313-320, 2004. |
| 6. | Almeida, A. F. L. ; Fechine, P. B. A. ; Goes, J. C. ; Valente, M. A. ; Miranda, M. A . R. ; Sombra, A. S. B. . Dielectric Properties of BaTiO3(BTO)-CaCu3Ti4O12(CCTO) Composite Screen-Printed Thick Films for High Dielectric Constant Devices in the Medium Frequency (MF) Range. Materials Science and Engineering: B, v. 111, n. 2-3, p. 113-123, 2004. |
| 7. | Kretly, L. C. ; Almeida, A. F. L. ; Fechine, P. B. A. ; Oliveira, R. S. ; Sombra, A. S. B. . Dielectric Permittivity and Loss of Cacu3Ti4O12 (Ccto) Substrates For Microwave Devices and Antennas. Journal of Materials Science: Materials in Electronics, v. 15, n. 10, p. 657-663, 2004. |
| 8. | Saraiva Sobrinho, C. ; Oliveira, M. V. N. ; Lima, J. L. S. ; Silva, M. G. ; Almeida, E. F. ; Sombra, A. S. B. . Numerical Analysis of the Crosstalk on an Integrated Acousto-Optic Tunable Filter (AOTF) For Network Applications. Fiber and Integrated Optics, v. 23, n. 5, p. 345-363, 2004. |
| 9. | Valim, D. ; Souza Filho, A. G. ; Freire, P. T. C. ; Fagan, S. B. ; Ayala, A. P. ; Mendes Filho, J. ; Almeida, A. F. L. ; Fechine, P. B. A. ; Sombra, A. S. B. ; Olsen, J. S. ; Gerward, L. . Raman Scattering and X-Ray Diffraction Studies of Polycrystalline CaCu3Ti4O12 Under High-Pressure. Physical Review B, v. 70, n. 13, 132103, p. 1031-1034, 2004. |
| 10. | Silva, C. C. ; Valente, M. A. ; Graça, M. P. F. ; Sombra, A. S. B. . Preparation and Optical Characterization of Hydroxyapatite and Ceramic Systems With Titanium and Zirconium Formed by Dry High Energy Mechanical Alloying . Solid State Sciences, v. 6, n. 12, p. 1365-1374, 2004. |
| 2003 | |
| 1. | Cruz, A. G. B. ; Goes, J. C. ; Figueiro, S. D. ; Feitosa, J. P. A. ; Ricardo, N. M. P. S. ; Sombra, A. S. B. . On the Piezoelectricity of Collagen/Natural Rubber Blend Films. European Polymer Journal, v. 39, p. 1267-1272, 2003. |
| 2. | Silva, C. C. ; Pinheiro, A. G. ; Miranda, M. A . R. ; Goes, J. C. ; Sombra, A. S. B. . Structural Properties of Hydroxyapatite Obtained by Mechanosynthesis. Solid State Sciences, v. 5, p. 553-558, 2003. |
| 3. | Harssoyono, H. ; Siregar, R. ; Tjia, M. ; Sombra, A. S. B. . Nonlinear Optical Waveguide Coupling With Planar Solitonic Field Profile. Optics Communications, v. 221, p. 63-71, 2003. |
| 4. | Sombra, A. S. B. ; Kretly, L. C. ; Almeida, A. F. L. ; Oliveira, R. S. ; Sasaki, J. M. . Electrical and Optical Properties of Cacu3Ti4O12 (Ccto)Substrates For Microwave Devices and Antennas. Microwave and Optical Technology Letters, v. 39, n. 2, p. 145-150, 2003. |
| 2002 | |
| 1. | Goes, J. C. ; Figueiro, S. D. ; Paiva, J. A. C. ; Vasconcelos, I. F. ; Sombra, A. S. B. . On the Piezoelectricity of Anionic Collagen Films. Journal of Physics and Chemistry of Solids, v. 63, n. 3, p. 465-470, 2002. |
| 2. | Sousa Neto, V. O. ; Silva, C. C. ; Almeida, A. F. L. ; Figueiro, S. D. ; Goes, J. C. ; Paiva, J. A. C. ; Magalhães, C. ; Sombra, A. S. B. . Study of the Electrical Conductivity and Piezoelectricity in Iron Doped Collagen Films. Solid State Sciences, v. 4, n. 1, p. 43-51, 2002. |
| 3. | Sousa Neto, V. O. ; Silva, C. C. ; Figueiro, S. D. ; Goes, J. C. ; Paiva, J. A. C. ; Magalhães, C. ; Wehmann, C. F. ; Sombra, A. S. B. . Study of the Piezoelectricity in Iron Doped Collagen Films. Journal of Materials Science: Materials in Electronics, v. 13, n. 3, p. 157-165, 2002. |
| 4. | Silva, C. C. ; Pinheiro, A. G. ; Figueiro, S. D. ; Goes, J. C. ; Sasaki, J. M. ; Miranda, M. A . R. ; Sombra, A. S. B. . Piezoelectric Properties of Collagen- Nanocrystalline Hydroxyapatite Composites . Journal of Materials Science, v. 37, n. 10, p. 2061-2070, 2002. |
| 5. | Silva, C. C. ; Thomazini, D. ; Pinheiro, A. G. ; Lanciotti Jr, F. ; Sasaki, J. M. ; Goes, J. C. ; Sombra, A. S. B. . Optical Properties of Hydroxyapatite Obtained by Mechanical Alloying. Journal of Physics and Chemistry of Solids, v. 63, p. 1745-1757, 2002. |
| 6. | Melo, A. M. ; Lima, J. L. S. ; Oliveira, R. S. ; Sombra, A. S. B. . Photonic Time-Division Multiplexing (Otdm) Using Ultrashort Picosecond Pulses in a Terahertz Optical Asymmetric Demultiplexer (Toad). Optics Communications, v. 205, n. 4-6, p. 299-312, 2002. |
| 7. | Saraiva Sobrinho, C. ; Lima, J. L. S. ; Almeida, E. F. ; Sombra, A. S. B. . Acusto-Optic Tunable Filter (Aotf) With Increasing Nonlinearity and Loss. Optics Communications, v. 208, n. 4-6, p. 415-426, 2002. |
| 8. | Costa, L. C. ; Valente, M. A. ; Mendiretta, S. K. ; Henry, F. ; Sombra, A. S. B. . Electrical and Dielectrical Properties of the Percolating System Polystyrene/Polypyrol Particles. European Polymer Journal, v. 38, n. 8, p. 1495-1499, 2002. |
| 9. | Carrasco, M. F. ; Mendiretta, S. K. ; Marques, L. ; Sombra, A. S. B. . Properties of Nanoparticles of Bi12Geo20 Obtained by Ball Milling. Journal of Materials Science Letters, v. 21, n. 12, p. 963-965, 2002. |
| 10. | Almeida, A. F. L. ; Vasconcelos, I. F. ; Valente, M. A. ; Sombra, A. S. B. . The Optical and 57Fe Mossbauer Spectra of Lithium Diborate (Li2B4O7) in Borophosphate Glass-Ceramics. Physica B: Condensed Matter, v. 322, n. 3-4, p. 276-288, 2002. |
| 11. | Sombra, A. S. B. ; Saraiva Sobrinho, C. . Picosecond Pulse Switching in An Acousto-Optic Tunable Filter (Aotf) With Loss.Nonlinear Optics, v. 29, n. 1, p. 79-97, 2002. |
| 12. | Saraiva Sobrinho, C. ; Lima, J. L. S. ; Sombra, A. S. B. . Interchannel Crosstalk on the Acousto-Optic Tunable Filter (Aotf) For Network Applications. Microwave and Optical Technology Letters, v. 35, n. 3, p. 230-235, 2002. |
| 13. | Almeida, A. F. L. ; Oliveira, R. S. ; Goes, J. C. ; Sasaki, J. M. ; Mendes Filho, J. ; Sombra, A. S. B. . Structural Properties of Cacu3Ti4O12(Ccto) Obtained by Mechanical Alloying. Materials Science and Engineering: B, v. B96, p. 275-283, 2002. |
| 2001 | |
| 1. | Medeiros Neto, J. A. ; Aranha, N. ; Sombra, A. S. B. . An Ultra Stable Glass System For Optical Fiber Devices. Physical Chemistry Chemical Physics, v. 3, p. 613-615, 2001. |
| 2. | Vasconcelos, I. F. ; Pimenta, M. A. ; Sombra, A. S. B. . Optical Properties of Bismuth Silicon Oxide (Bso) and Bismuth Titanium Oxide (Bto) Obtained by Mechanical Alloying. Journal of Materials Science, v. 36, n. 3, p. 587-592, 2001. |
| 3. | Silva, M. G. ; Oliveira, R. S. ; Sombra, A. S. B. . Ultrashort Pulse Propagation in a Lossy Acusto-Optic Tunable Filter(Aotf).Microwave and Optical Technology Letters, v. 28, n. 5, p. 346-350, 2001. |
| 4. | Nobrega, K. Z. ; Silva, M. G. ; Sombra, A. S. B. . Analytical and Numerical Studies on Increasing Nonlinearity Fiber Couplers.Nonlinear Optics, v. 26, p. 337-351, 2001. |
| 5. | Silva, C. C. ; Pinheiro, A. G. ; Thomazini, D. ; Goes, J. C. ; Figueiro, S. D. ; Paiva, J. A. C. ; Sombra, A. S. B. . Effect of the Ph on the Piezoelectric Properties of Collagen Films. Materials Science and Engineering: B, v. 83, p. 165-172, 2001. |
| 6. | Vasconcelos, L. W. ; Margarit, I. C. P. ; Mattos, O. R. ; Fragata, F. L. ; Sombra, A. S. B. . Inhibitory Properties of Calcium Exchanged Silica Epoxy Paintings. Corrosion Science, v. 43, p. 2291-2303, 2001. |
| 7. | Silva, C. C. ; Thomazini, D. ; Pinheiro, A. G. ; Aranha, N. ; Goes, J. C. ; Figueiro, S. D. ; Sombra, A. S. B. . Collagen-Hydroxiapatite Films:Piezoelectric Properties. Materials Science and Engineering: B, v. 86, p. 210-218, 2001. |
| 8. | Silva, C. C. ; Lima, C. G. A. ; Pinheiro, A. G. ; Goes, J. C. ; Figueiro, S. D. ; Sombra, A. S. B. . On the Piezoelectricity of Collagen-Chitosan Films. Physical Chemistry Chemical Physics, v. 3, p. 4154-4157, 2001. |
| 9. | Silva, M. G. ; Saraiva Sobrinho, C. ; Oliveira, R. S. ; Sombra, A. S. B. . Analysis of Ultrashort Pulse Switching in An Acusto-Optic Tunable Filter(Aotf) With Loss. Journal of Optical Communications, v. 22, n. 6, p. 228-235, 2001. |
| 10. | Almeida, A. F. L. ; Thomazini, D. ; Vasconcelos, I. F. ; Valente, M. A. ; Sombra, A. S. B. . Structural Studies of Lithium Triborate(Lbo-Lib3O5)In Borophosphate Glass-Ceramics. International Journal of Inorganic Materials, v. 3, n. 7, p. 829-838, 2001. |
| 11. | Thomazini, D. ; Lanciotti Jr, F. ; Sombra, A. S. B. . Structural Properties of Lithium Borate Glasses Doped With Rare Earth Ions.Cerâmica, Associação Brasileira de Cerâmica, v. 47, n. 302, p. 88-93, 2001. |
| 2000 | |
| 1. | Nobrega, K. Z. ; Silva, M. G. ; Sombra, A. S. B. . Multistable All Optical Switching Behavior on the Asymmetric Nonlinear Coupler.Optics Communications, v. 173, p. 413-421, 2000. |
| 2. | Almeida, E. F. ; Paiva, J. A. C. ; Sombra, A. S. B. . Infrared and Complex Dielectric Function Studies of Linbo3 in Niobate Glass Ceramics. Journal of Materials Science, v. 35, n. 6, p. 1555-1559, 2000. |
| 3. | Andrade, J. S. ; Pinheiro, A. G. ; Vasconcelos, I. F. ; Araujo, M. A. B. ; Valente, M. A. ; Sombra, A. S. B. . Structural Studies of Knbo3 in Niobate Glass-Ceramics. Journal of Physics and Chemistry of Solids, v. 61, n. 6, p. 899-906, 2000. |
| 4. | Felix, S. F. ; Gouveia, E. A. ; Araujo, M. T. ; Sombra, A. S. B. ; Gouveia Neto, A. S. . Up Conversion Pumped Light Amplification Withtemperature Tunable Gain in Er(3+)/Yb(3+) Codoped Chalcogenide Glass. Journal of Luminescence, v. 87-89, p. 1020-1022, 2000. |
| 5. | Melo, A. M. ; Lima, J. L. S. ; Sombra, A. S. B. . Optical Time Division Multiplexing (Otdm) Using Picosecond Solitons in a Terahertz Optical Asymmetric Demultiplexer(TOAD). Optics Communications, v. 186, p. 87-97, 2000. |
| 1999 | |
| 1. | Almeida, E. F. ; Paiva, J. A. C. ; Sombra, A. S. B. . Dielectric Complex Function Studies of Linbo3 in Niobate Glass Ceramics.Physica Status Solidi A, v. 172, p. 255-263, 1999. |
| 2. | Santos, P. V. ; Araujo, M. T. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Optical Thermometry Through Infrared Excited Upconversion Fluorescence Emission in Er3+ and Er3+/Yb3+ Codoped Chalcogenide Glasses. IEEE Journal of Quantum Electronics, v. 35, n. 2, p. 395-399, 1999. |
| 3. | Santos, P. V. ; Gouveia, E. A. ; Araujo, M. T. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Thermally Induced Threefold Upconversion Emission Enhancement in Nonresonant Excited Er3/Yb3 Codoped Chalcogenide Glass. Applied Physics Letters, v. 74, n. 24, p. 3607-3609, 1999. |
| 4. | Lima, J. L. S. ; Sombra, A. S. B. . Soliton and Quasi Soliton Switching in Nonlinear Optical Loop Mirror(Nolm) Constructed From Dispersion Decreasing Fiber(DDF). Optics Communications, v. 163, n. 4-6, p. 292-300, 1999. |
| 5. | Lima, J. L. S. ; Sombra, A. S. B. . Ultrafast Optical Switching in a Nonlinear Loop Mirror Constructed From Dispersion Decreasing Fiber. Journal of Optical Communications, v. 20, n. 3, p. 82-87, 1999. |
| 6. | Goes, J. C. ; Figueiro, S. D. ; Paiva, J. A. C. ; Vasconcelos, I. F. ; Sombra, A. S. B. . Piezoelectricity of Native and Anionic Collagen. Journal of Materials Science Letters, v. 18, n. 12, p. 983-986, 1999. |
| 7. | Andrade, J. S. ; Pinheiro, A. G. ; Vasconcelos, I. F. ; Sasaki, J. M. ; Paiva, J. A. C. ; Valente, M. A. ; Sombra, A. S. B. . Raman and Infrared Spectra of Knbo3 in Niobate Glass Ceramics. Journal of Physics: Condensed Matter, v. 11, n. 22, p. 4451-4460, 1999. |
| 8. | Vasconcelos, I. F. ; Figueiredo, R. S. ; Lima, S. G. ; Sombra, A. S. B. . Bismuth Silicon Oxide(Bso) and Bismuth Titanium Oxide(Bto) Obtained by Nechanical Alloying. Journal of Materials Science Letters, v. 18, n. 22, p. 1871-1874, 1999. |
| 9. | Nobrega, K. Z. ; Silva, M. G. ; Sombra, A. S. B. . Optical Multistability on the Asymmetric Nonlinear Directional Coupler. Journal of Optical Communications, v. 20, n. 6, p. 210-214, 1999. |
| 10. | Silva, M. G. ; Nobrega, K. Z. ; Sombra, A. S. B. . Analysis of Soliton Switching in Dispersion Decreasing Fiber Couplers. Optics Communications, v. 171, p. 351-364, 1999. |
| 11. | Goes, J. C. ; Figueiro, S. D. ; Paiva, J. A. C. ; Sombra, A. S. B. . Piezoelectric and Dielectric Properties of Collagen Films. Physica Status Solidi A, v. 176, p. 1077-1083, 1999. |
| 12. | Araujo, E. B. ; Eiras, J. A. ; Almeida, E. F. ; Paiva, J. A. C. ; Sombra, A. S. B. . Structure and Nucleation of the Iron Lithium Niobium Phosphate Glasses Studied by Infrared Spectroscopy and DTA. Physics and Chemistry of Glasses, v. 40, n. 5, p. 273-276, 1999. |
| 13. | Silva, J. I. ; Holz, R. ; Sombra, A. S. B. . Soliton Transmission Under Pulse Position Modulation (PPM) in Optical Fibres. Canadian Journal of Physics, v. 77, n. 4, p. 481-490, 1999. |
| 1998 | |
| 1. | Oliveira, A. S. ; Araujo, M. T. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. ; Messaddeq, Y. . Frequency Upconversion in Er3+/Yb3+ Codoped Chalcogenide Glass. Applied Physics Letters, v. 72, p. 753-755, 1998. |
| 2. | Oliveira, A. S. ; Araujo, M. T. ; Gouveia Neto, A. S. ; Sombra, A. S. B. ; Medeiros Neto, J. A. ; Aranha, N. . Upconversion Fluorescence Spectroscopy of Er3+/Yb3+ Doped Heavy Metal Bi203-Na20-Nb205-Ge02 Glass. Journal of Applied Physics, v. 83, p. 604-606, 1998. |
| 3. | Araujo, E. B. ; Eiras, J. A. ; Almeida, E. F. ; Paiva, J. A. C. ; Sombra, A. S. B. . Determination of the Nucleation Rate of 50Li20-50P2O5 Glass by Differential Thermal Analysis. Journal of Materials Science Letters, v. 17, n. 6, p. 497-499, 1998. |
| 4. | Figueiredo, R. S. ; Messai, A. ; Hernandes, A. C. ; Sombra, A. S. B. . Piezoelectric Lithium Niobate Obtained by Mechanical Alloying. Journal of Materials Science Letters, v. 17, n. 6, p. 449-451, 1998. |
| 5. | Silva, M. G. ; Sombra, A. S. B. . All Optical Soliton Switching in Three Core Nonlinear Fiber Couplers. Optics Communications, v. 145, p. 281-290, 1998. |
| 6. | Amorim, H. T. ; Araujo, M. T. ; Gouveia, E. A. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Infrared to Visible Upconversion Fluorescence Spectroscopy in Er3 Doped Chalcogenide Glass. Journal of Luminescence, v. 78, p. 271-277, 1998. |
| 7. | Araujo, E. B. ; Paiva, J. A. C. ; Freitas Jr, J. A. ; Sombra, A. S. B. . Raman and Infrared Spectroscopy Studies of Linbo3 in Niobate Glass-Ceramics. Journal of Physics and Chemistry of Solids, v. 59, p. 689-694, 1998. |
| 8. | Amorim, H. T. ; Araujo, M. T. ; Gouveia, E. A. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Infrared to Visible Frequency Upconversion in Erbium Doped Ga2S3:La2O3 Chalcogenide Glass. Optical Materials, v. 10, p. 241-244, 1998. |
| 9. | Oliveira, R. S. ; Paiva, J. A. C. ; Araujo, M. A. B. ; Sombra, A. S. B. . Structural and Electrical Properties of Iron Molybdenum Phosphate Glasses. Il Nuovo Cimento D, v. 20, n. 2, p. 209-220, 1998. |
| 10. | Nobrega, K. Z. ; Sombra, A. S. B. . Optimum Self Phase Modulation Profile For Nonlinear Transmission Recovery in Twin Core Optical Couplers With Loss. Optics Communications, v. 151, n. 1-3, p. 31-34, 1998. |
| 11. | Santos, P. V. ; Araujo, M. T. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Optical Temperature Sensing Using Upconversion Fluorescence Emission in Er3+/Yb3+ Codoped Chalcogenide Glass. Applied Physics Letters, v. 73, n. 5, p. 578-580, 1998. |
| 12. | Silva, J. I. ; Sombra, A. S. B. . Pulse Position Modulation Ppm of Ultrashort Pulse Trains in Optical Fibers. Optics Communications, v. 152, n. 1-3, p. 59-64, 1998. |
| 13. | Almeida, E. F. ; Paiva, J. A. C. ; Araujo, M. A. B. ; Araujo, E. B. ; Eiras, J. A. ; Sombra, A. S. B. . Structure of Iron Niobophosphate Glasses Investigated by Dta, Infrared and Mossbauer Spectroscopy. Journal of Physics: Condensed Matter, v. 10, p. 7511-7518, 1998. |
| 14. | Silva, M. G. ; Teles, A. F. ; Sombra, A. S. B. . Soliton Switching in Three Core Nonlinear Directional Fiber Couplers. Journal of Applied Physics, v. 84, n. 4, p. 1834-1842, 1998. |
| 1997 | |
| 1. | Araujo, E. B. ; Abreu, J. A. M. ; Oliveira, R. S. ; Paiva, J. A. C. ; Sombra, A. S. B. . Structure and Electrical Properties of Lithium Niobophosphate Glasses. Canadian Journal of Physics, v. 75, p. 747-758, 1997. |
| 2. | Abreu, J. A. M. ; Paiva, J. A. C. ; Figueiredo, R. S. ; Araujo, M. A. B. ; Sombra, A. S. B. . Spectroscopic Studies of Iron Niobophosphate Glasses. Physica Status Solidi A, v. 162, p. 515-523, 1997. |
| 3. | Araujo, M. T. ; Medeiros Neto, J. A. ; Sombra, A. S. B. ; Oliveira, A. S. ; Gouveia Neto, A. S. . Multiwalength Frequency Doubling in Bulk Gallium-Lanthanum-Sulphide Glasses For Optical Amplifiers at 1.3 Um. Optical Materials, v. 7, p. 1-7, 1997. |
| 1996 | |
| 1. | Ghiner, A. V. ; Sombra, A. S. B. ; Surdutovich, G. I. . Propagation of Light in Doped Media With Regular and Random Distributed Clusters. Coherence and Quantum Optics VII, p. 433-434, 1996. |
| 2. | Araujo, E. B. ; Paiva, J. A. C. ; Araujo, M. A. B. ; Sombra, A. S. B. . Structure and Optical Properties of Lithium Niobium Phosphate Glasses and Glass Ceramics. Physica Status Solidi B, v. 197, p. 231-240, 1996. |
| 3. | Paiva, J. A. C. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Reversible Non Linear Electrical Switching in Cdtes Doped Glass.Journal of Materials Science, v. 31, n. 13, p. 3601-3604, 1996. |
| 4. | Araujo, M. T. ; Vermelho, M. V. D. ; Gouveia Neto, A. S. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Efficient Second Harmonic Generation in Praseodymium Doped Ga:La:S Glass For 1.3Um Optical Fiber Amplifiers. IEEE Photonics Technology Letters, v. 8, p. 821-823, 1996. |
| 5. | Paiva, J. A. C. ; Medeiros Neto, J. A. ; Sombra, A. S. B. . Nonlinear Electrical Switching in Cdtes Doped Glass. Physica Scripta, v. 53, p. 631-634, 1996. |
| 6. | Paiva, J. A. C. ; Almeida, E. F. ; Hernandes, A. C. ; Sombra, A. S. B. . Dielectric Loss in Ferroelectric Linb03:Fe. Asian Journal of Physics, v. 5, p. 111-115, 1996. |
| 7. | Araujo, E. B. ; Paiva, J. A. C. ; Araujo, M. A. B. ; Sombra, A. S. B. . Crystallization of Ferroelectric Linb03 in Niobophosphate Glasses. Physica Scripta, v. 53, p. 104-107, 1996. |
| 1995 | |
| 1. | Araujo, E. B. ; Paiva, J. A. C. ; Sombra, A. S. B. . The Properties and Crystallization of Linb03 in Lithium Niobophosphate Glasses.Journal of Physics: Condensed Matter, v. 7, p. 9723-9730, 1995. |
| 2. | Paiva, J. A. C. ; Araujo, E. B. ; Hernandes, A. C. ; Sombra, A. S. B. . Kilohertz Relaxation Process in Linb03:Fe Single Crystals.Physica Status Solidi A, v. 147, p. 585-589, 1995. |
| 1994 | |
| 1. | Sombra, A. S. B. . Semiconductor Optical Bistability and Switching. Brazilian Journal of Physics, v. 24, p. 480-484, 1994. |
| 2. | Sombra, A. S. B. . Effect of the Multiphoton Susceptibility on the Characteristics of Semiconductor Devices. Brazilian Journal of Physics, v. 24, p. 485-488, 1994. |
| 1993 | |
| 1. | Sombra, A. S. B. . Nonlinear Switching in Semiconductor Cdsse Doped Glass. Solid State Communications, v. 88, p. 305-308, 1993. |
| 2. | Oliveira, C. J. ; Paiva, J. A. C. ; Barbosa, P. C. ; Oliveira, J. C. P. ; Aranha, N. ; Sombra, A. S. B. . Thermally Stimulated Depolarization Current and Mossbauer Spectroscopy of Iron Doped Niobophosphate Glasses. Journal of Materials Science, v. 28, n. 16, p. 4305-4310, 1993. |
| 3. | Sombra, A. S. B. ; Sousa, R. C. ; Paiva, J. A. C. ; Mendes Filho, J. . Electrical Properties of Likso4 Crystals at Low Temperatures.Solid State Communications, v. 87, p. 959-962, 1993. |
| 1992 | |
| 1. | Sombra, A. S. B. . Bistable Pulse Collisions of the Cubic-Quintic Nonlinear Schrodinger Equation. Optics Communications, v. 94, p. 92-98, 1992. |
| 2. | Sombra, A. S. B. . Optical Bistability and Nonlinear Switching in Cdsse Microcrystallite Doped Glass. Solid State Communications, v. 82, p. 805-808, 1992. |
| 3. | Sombra, A. S. B. ; Oliveira, C. J. ; Barbosa, P. C. ; Paiva, J. A. C. ; Oliveira, J. C. P. ; Mendes Filho, J. ; Aranha, N. . Tsdc and Mossbauer Spectroscopy in Iron Doped Heavy Metal Glasses. Boletín de la Sociedad Española de Cerámica y Vidrio, v. 31-C, n. 3, p. 389-393, 1992. |
| 4. | Barbosa, P. C. ; Mendes Filho, J. ; Paiva, J. A. C. ; Hernandes, A. C. ; Sombra, A. S. B. . Low Frequency Relaxation Process in Linbo3:Fe Single Crystals. Optical Materials, v. 1, p. 59-63, 1992. |
| 1991 | |
| 1. | Barbosa, P. C. ; Paiva, J. A. C. ; Mendes Filho, J. ; Hernandes, A. C. ; Sombra, A. S. B. . Dielectric Relaxation Process and Pyroelectric Currents in Linbo3:Fe Single Crystals. Physica Status Solidi A, v. 125, p. 723-729, 1991. |
| 1990 | |
| 1. | Sombra, A. S. B. ; Oliveira, J. C. P. ; Mendes Filho, J. ; Moreira, J. E. C. ; Ziemath, E. C. ; Aegerter, M. . Pump and Probe Spectroscopy of a Cr3+ Doped Glass. Solid State Communications, v. 76, p. 183-186, 1990. |
| 2. | Sombra, A. S. B. . Induced Probe Beam Modulation and Resonatorless Optical Bistability in Semiconductor (Cdsse) Doped Glass.Optical and Quantum Electronics, v. 22, p. 335-341, 1990. |
| 3. | Anslie, B. ; Blow, K. ; Gouveia Neto, A. S. ; Wigley, P. ; Sombra, A. S. B. ; Taylor, J. . Femtosecond Soliton Amplification in Erbium Doped Silica Fibre. Electronics Letters, v. 26, p. 186-187, 1990. |
| 1989 | |
| 1. | Gouveia Neto, A. S. ; Sombra, A. S. B. ; Wigley, P. ; Taylor, J. . Amplification of Picosecond Pulses in Neodymium Doped Single Mode Optical Fibers. Journal of Modern Optics, v. 36, p. 1143-1150, 1989. |
| 2. | Sombra, A. S. B. ; Vianna, S. ; Araujo, C. . Excitation of the Eu Polariton in a Centrosymmetric Crystal by Four Wave Mixing.Optical and Quantum Electronics, v. 21, p. 235-240, 1989. |
| 1988 | |
| 1. | Gouveia Neto, A. S. ; Sombra, A. S. B. ; Wigley, P. ; Taylor, J. . Picosecond Pulse Amplification in a Single Mode Neodymium Doped Fibre. Optical Science and Engineering Series 10, v. 10, p. 336-338, 1988. |
| 2. | Gouveia Neto, A. S. ; Faldon, M. ; Sombra, A. S. B. ; Wigley, P. ; Taylor, J. . Subpicosecond Pulse Generation Through Cross Phase Modulation Induced Modulation Instability in Optical Fibers. Optics Letters, v. 13, p. 901-903, 1988. |
| 3. | Gouveia Neto, A. S. ; Sombra, A. S. B. ; Taylor, J. . A Nd:Yag Lased Pumped Soliton Self:Frequency Shifter. Optics Communications, v. 68, p. 139-142, 1988. |
| 4. | Wigley, P.; Sombra, ASB; Gouveia Neto, AS. Um oscilador de anel de fibra dopada com neodímio Cw. Revista de Física Aplicada e Instrumentação , v. 3, p. 150-154, 1988. |
| 1986 | |
| 1. | Vianna, S.; Araújo, C. ; Sombra, ASB. Excitação de Phonon-Polaritons Coerentes em um Cristal Centro-Simétrico Tio2. Jornal da Sociedade Óptica da América B , v. 3, p. 120-121, 1986. |
| 2. | Mendes Filho, J. ; Moreira, JEC; Germano, F. ; Sombra, ASB. Transição de fase em Kliso4. Solid State Communications , v. 60, p. 189-193, 1986. |