Influence of Al2O3 additive on the dielectric behavior and energy density of Ba0.5Sr0.5TiO3 ceramics

被引：0
|
作者：
Di Yi
Jiancong Yuan
Haiyang Liu
Yang Shen
Yuan-Hua Lin
Ce-Wen Nan
Xiao Xi
Jinliang He
机构：
[1] Tsinghua University,State Key Lab of New Ceramics and Fine Processing, Department of Materials Science and Engineering
[2] Tsinghua University,Department of Electrical Engineering
来源：
Journal of Electroceramics | 2012年 / 29卷
关键词：
Dielectric behavior; Breakdown strength; Ba; Sr; TiO; Energy density;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High dense Ba0.5Sr0.5TiO3 ceramics with Al2O3 additives have been prepared by a method combined the sol–gel process and the solid state reaction. Phase compositions, microstructure and dielectric behaviors are investigated systematically. Our experiment results reveal that the Al2O3 additives reduce the dielectric constant slightly and increase the breakdown strength greatly due to the refined microstructure and the formation of the second phases. The estimated energy density of Ba0.5Sr0.5TiO3 ceramics with optimized Al2O3 additives is improved by 1.5 times as compared with that of pure Ba0.5Sr0.5TiO3 ceramics.
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页码：95 / 98
页数：3
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