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Structure and Dielectric Properties of Lead-Free BaSn sub(0.1)Ti sub(0.9)O sub(3)-BaFe sub(0.5)Nb sub(0.5)O sub(3) Ceramics

Kantha, Puripat ; Pisitpipathsin, Nuttapon ; Eitssayeam, Sukum ; Pengpat, Kamonpan ; Pojprapai, Soodkhet

Ferroelectrics, 2014-01, Vol.458 (1), p.83-90 [Periódico revisado por pares]

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Título:
Structure and Dielectric Properties of Lead-Free BaSn sub(0.1)Ti sub(0.9)O sub(3)-BaFe sub(0.5)Nb sub(0.5)O sub(3) Ceramics
Autor: Kantha, Puripat ; Pisitpipathsin, Nuttapon ; Eitssayeam, Sukum ; Pengpat, Kamonpan ; Pojprapai, Soodkhet
Assuntos: Calcination
É parte de: Ferroelectrics, 2014-01, Vol.458 (1), p.83-90
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
content type line 23
ObjectType-Feature-1
Descrição: Binary solid solutions of the (1-x)BaSn sub(0.1)Ti sub(0.9)O sub(3)-xBaFe sub(0.5)Nb sub(0. 5)O sub(3) system, with x = 0, 0.05, 0.10, 0.15 and 0.20 were prepared via a solid-state processing technique. The BST and BFN powders were synthesized separately using a calcination technique with optimum temperature. XRD results revealed that the structures of the BST-BFN ceramics were of tetragonal symmetry and the tetragonality (c/a ratio) decreased with increasing BFN content. BFN caused enhanced dielectric constant of BST ceramics that increased with temperature. The highest dielectric constant was similar to 120000 for x = 0.20 at temperature of 400 degree C (1 kHz).
Idioma: Inglês

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