| Texto completo | |
| Autor(es): |
Badapanda, T.
[1]
;
Sarangi, S.
[2]
;
Behera, B.
[2]
;
Sahoo, P. K.
[3]
;
Anwar, S.
[4]
;
Sinha, T. P.
[5]
;
Luz, Jr., G. E.
[6]
;
Longo, E.
[7]
;
Cavalcante, L. S.
[6]
Número total de Autores: 9
|
| Afiliação do(s) autor(es): | [1] CV Raman Coll Engn, Dept Phys, Bhubaneswar 752054, Odisha - India
[2] Sambalpur Univ, Sch Phys, Sambalpur 768019, Odisha - India
[3] NISER, Sch Phys Sci, Bhubaneswar, Odisha - India
[4] Inst Minerals & Mat Technol, Bhubaneswar 751013, Odisha - India
[5] Bose Inst, Dept Phys, Kolkata 700009, W Bengal - India
[6] Univ Estadual Piaui, CCN DQ GERATEC, BR-64002150 Teresina, PI - Brazil
[7] Univ Estadual Paulista CDMF, BR-14801907 Araraquara, SP - Brazil
Número total de Afiliações: 7
|
| Tipo de documento: | Artigo Científico |
| Fonte: | CURRENT APPLIED PHYSICS; v. 14, n. 5, p. 708-715, MAY 2014. |
| Citações Web of Science: | 24 |
| Resumo | |
For this study, a microcrystalline Ba(Zr0.05Ti0.95)O-3 (BZT) powder was prepared by a high energy ball milling method followed by calcination at 1100 degrees C for 4 h. The calcined powder was structurally characterized by X-ray diffraction and Rietveld refinement data, which showed that this material has a perovskite-type tetragonal structure with a space group of (P4mmm). The micro-Raman spectrum revealed local lattice distortions due to distorted octahedral {[}TiO6] clusters. The temperature and frequency-dependent dielectric study of the BZT ceramic showed normal phase transition behavior. The ferroelectric property was studied by a P-E hysteresis loop. Optical band gap was investigated by ultraviolete-visible (UV-vis) absorption spectroscopy at room temperature. The UV-vis spectrum indicated that the BZT powder has an optical band gap of 3.15 eV. (C) 2014 Elsevier B.V. All rights reserved. (AU) | |
| Processo FAPESP: | 09/50303-4 - Propriedades ópticas e fotocatalíticas do ZnMoO4 e ZnWO4 |
| Beneficiário: | Laécio Santos Cavalcante |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |