期刊
SCIENTIFIC REPORTS
卷 6, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep28055
关键词
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资金
- EPSRC [EP/G060940/1]
- STFC
- EPSRC [EP/M020398/1, EP/G060940/1, EP/F067828/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/M020398/1, EP/K503733/1, EP/F067828/1, EP/G060940/1] Funding Source: researchfish
A series of Ba1-x-ySrxCayTiO3 compounds were prepared with varying average ionic radii and cation disorder on A-site. All samples showed typical ferroelectric behavior. A simple empirical equation correlated Curie temperature, T-CI, with the values of ionic radii of A-site cations. This correlation was related to the distortion of TiO6 octahedra observed during neutron diffraction studies. The equation was used for the selection of compounds with predetermined values of T-C. The effects of A-site ionic radii on the temperatures of phase transitions in Ba1-x-ySrxCayTiO3 were discussed.
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