| Texto completo | |
| Autor(es): |
Guerra, J. D. S.
[1, 2]
;
Silva, M. C. O.
[1]
;
Silva, A. C.
[1]
;
Oliveira, M. A.
[1]
;
Mendez-Gonzalez, Y.
[3]
;
Monte, A. F. G.
[4]
;
M'Peko, J-C
[2]
;
Hernandes, A. C.
[2]
Número total de Autores: 8
|
| Afiliação do(s) autor(es): | [1] Univ Fed Uberlandia, Inst Fis, Grp Ferroeletr & Mat Multifuncionais, BR-38408100 Uberlandia, MG - Brazil
[2] Univ Sao Paulo, Inst Fis Sao Carlos, Grp Nanomat & Ceram Avancadas, BR-13560970 Sao Carlos, SP - Brazil
[3] Univ La Habana, Inst Ciencia & Tecnol Mat, Fac Fis, Havana 10400 - Cuba
[4] Univ Fed Uberlandia, Inst Fis, Grp Opt & Fototerm, BR-38408100 Uberlandia, MG - Brazil
Número total de Afiliações: 4
|
| Tipo de documento: | Artigo Científico |
| Fonte: | CERAMICS INTERNATIONAL; v. 46, n. 12, p. 20201-20206, AUG 15 2020. |
| Citações Web of Science: | 0 |
| Resumo | |
KNbO3-based ferroelectric materials have been largely investigated as a result of many interesting physical properties that make them suitable for designing multifunctional electronic components. In particular, ferroelectric (1-x)KNbO3-xBaNi(1/2)Nb(1/2)O(3-delta) (KBNN) solid solutions have received special attention for optical applications, including for high-performance photovoltaic devices. In this work, KBNN ceramics were produced via conventional solid-state sintering, followed by a comprehensive study of their (micro)structural, electrical and optical properties. The processed data are analyzed and discussed in terms of the effect from structural oxygen-vacancy defects in such materials and from the grain size, in the specific case of the observed electrical response. Overall, the results suggest these perovskite-structured semiconducting ferroelectric oxides as a good alternative for solar cell applications. (AU) | |
| Processo FAPESP: | 18/24352-7 - Desenvolvimento e Estudo de Materiais Eletro-cerâmicos com Interesse Tecnológico |
| Beneficiário: | Antônio Carlos Hernandes |
| Modalidade de apoio: | Auxílio à Pesquisa - Pesquisador Visitante - Brasil |