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Akademický článek

Processamento e caracterizações estruturais, microestruturais e ferroelétricas do composto magnetoelétrico BiFeO3-PbTiO3 obtido pelo método de Pechini

Autor: V. F. Freitas, G. S. Dias, J. M. Rosso, T. G. M. Bonadio, R. Y. Miyahara, T. T. Tominaga, L. F. Cótica, I. A. Santos

Publikováno v: Cerâmica, Vol 62, Iss 362, Pp 115-120

Resumo Neste trabalho uma rota alternativa de síntese, o método de Pechini modificado, foi utilizada para obter nanopartículas do composto BiFeO3-PbTiO3 (BFPT). As imagens obtidas por microscopia eletrônica de varredura revelaram tamanhos de part

Externí odkaz: https://doaj.org/article/007ea9da146b493b9c6d6256f5dba7a2

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Akademický článek

On mechanical properties and bioactivity of PVDF-BCP composites

Autor: L. M. Silva, J. M. Rosso, T. G. M. Bonadio, D. M. Silva, G. S. Dias, W. R. Weinand, T. T. Tominaga, R. Y. Miyahara, L. F. Cótica, I. A. Santos, V. F. Freitas

Publikováno v: Cerâmica, Vol 64, Iss 371, Pp 359-366

Abstract A ceramic/polymer biocomposite with high potential for multifunctional practical applications in bone tissue engineering was synthesized by using a well-known piezoelectric polymer, polyvinylidene fluoride (PVDF), and a high bioactive biphas

Externí odkaz: https://doaj.org/article/6406dc83a21b44af9f6a3fac947d0293

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La doped BiFeO3 ceramics synthesized under extreme conditions: Enhanced magnetic and dielectric properties

Autor: Eduardo A. Volnistem, G. S. Dias, Ivair A. Santos, José Antonio Eiras, Roger C. Oliveira, Ducinei Garcia, Eduardo A.C. Astrath

Publikováno v: Ceramics International. 47:20407-20412

Multiferroic Bi0.85La0.15FeO3 powders and ceramics were synthesized under extreme conditions by a combination of high-energy ball cryomilling, fast firing and spark plasma sintering procedures. Single-phased and perovskite structured samples, where b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db70eb4b0a3127bb74cff028852f9de5
https://doi.org/10.1016/j.ceramint.2021.04.049

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On the Characteristics of Perovskite Structured BiFeO3-PbTiO3 Thin Films: Their Potential to Multifunctional Photovoltaic Applications

Autor: D. M. Silva, E. A. C. Astrath, V. F. Freitas, Jurandir H. Rohling, T. G. M. Bonadio, L. C. Dias, José Antonio Eiras, G. S. Dias, Ivair A. Santos, G. B. Souza, Luiz Fernando Cótica, M. Mazur

Publikováno v: Brazilian Journal of Physics. 51:1215-1223

In this manuscript the multifunctional multiferroic 0.6BiFeO3-0.4PbTiO3 (BFPT) thin films are presented as an interesting alternative for multifunctional photovoltaic applications. The compound is chemically and structurally stable at high temperatur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69fe110188907cb1662bca494217883f
https://doi.org/10.1007/s13538-021-00925-4

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Intensifying the photocatalytic degradation of methylene blue by the formation of BiFeO3/Fe3O4 nanointerfaces

Autor: Raquel Dosciatti Bini, G. S. Dias, J. M. Rosso, Luiz Fernando Cótica, Eduardo A. Volnistem, D. M. Silva, Ivair A. Santos

Publikováno v: Ceramics International. 46:18768-18777

A novel highly efficient photocatalyst composite BiFeO3/Fe3O4 has been synthesized by mechanosynthesis and applied to the degradation of Methylene Blue under visible light. Structural, optical and photocatalytic properties of the proposed photocataly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8bfd861767c4264491a49e57a878721
https://doi.org/10.1016/j.ceramint.2020.04.194

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On the synthesis and characterization of environmentally friendly BTNN-PVDF bulk composites

Autor: V. F. Freitas, D. M. Silva, T. G. M. Bonadio, Luiz Fernando Cótica, J. M. Rosso, José Augusto Burato, Ivair A. Santos, G. S. Dias, Eduardo A. Volnistem

Publikováno v: Ferroelectrics. 545:70-79

In this paper, studies on the preparation and properties of barium sodium titanate niobate and poly(vinylidenefluoride) (PVDF) bulk composites are reported. SEM images show ceramic particles incorp...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::749cfb84267250e37785f887132ba03b
https://doi.org/10.1080/00150193.2019.1621713

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Study of the crystal and electronic structures of (Bi1−xNdx)FeO3 compositions using Rietveld refinements and the maximum entropy method

Autor: Ivair A. Santos, Ruyan Guo, A. J. Mincache, Luiz Fernando Cótica, O. G. Oliveira, G. S. Dias, Amar S. Bhalla

Publikováno v: Ferroelectrics. 545:167-174

In this work we present a methodology that combines the Rietveld structure refinement and the Maximum Entropy Method (MEM) to analyze the crystal and electronic structures, and the chemical...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28fa87637aac210dde8b7ff2a35b0e58
https://doi.org/10.1080/00150193.2019.1621702

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