Dependence of the structural and dielectric properties of Ba1-xSrxTiO3 ceramic solid solutions on raw material processing

The structures and dielectric properties of Ba1-xSrxTiO3 ceramic solid solutions in the whole x range and their dependence on powder processing were investigated. A short time pre-calcination milling-mixing of the precursor powders caused compositional inhomogeneity and thus a diffuse phase transiti...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 1999-01, Vol.19 (11), p.2015-2020
Main Authors: LIQIN ZHOU, VILARINHO, P. M, BAPTISTA, J. L
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Electrotechnical and electronic ceramics
Exact sciences and technology
Niobates, titanates, tantalates, pzt ceramics, etc
Physics
Technical ceramics
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Summary:The structures and dielectric properties of Ba1-xSrxTiO3 ceramic solid solutions in the whole x range and their dependence on powder processing were investigated. A short time pre-calcination milling-mixing of the precursor powders caused compositional inhomogeneity and thus a diffuse phase transition. For long milling-mixing times, the diffuse phase transition was observed only in the SrTiO3 rich compositions (x greater than 0.8). 19 refs.
ISSN:0955-2219
1873-619X
DOI:10.1016/s0955-2219(99)00010-2