Dimension effects on the dielectric properties of fine BaTiO3 ceramics

被引：4
|
作者：
Hou Zhi-Wen [1 ]
Kang Ai-Guo [1 ]
Ma Wei-Qing [2 ]
Zhao Xiao-Long [2 ]
机构：
[1] Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Peoples R China
[2] Yangquan Power Supply Branch, Yangquan 045000, Peoples R China
来源：
CHINESE PHYSICS B | 2014年 / 23卷 / 11期
关键词：
core-shell structure; Curie-Weiss temperature; BaTiO3; ceramics; second approximation; GRAIN-GROWTH; TEMPERATURE; KINETICS; DRAG;
D O I：
10.1088/1674-1056/23/11/117701
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is found that the core-shell structured grains are easy to produce for fine grain doped BaTiO3 ceramics in the sintering process. We study the influence of the core-shell structure on the Curie-Weiss temperature and dielectric properties of BaTiO3 ceramics by using effective medium approximation (EMA). Considering the second approximation, the dielectric properties of fine grain doped BaTiO3 ceramics are consistent with experimental data.
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页数：4
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