Densification and dielectric properties of strontium bismuth tantalate ceramics

被引：2
|
作者：
Lu, C. -H. [1 ]
Huang, Y. -H. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Chem Engn, Taipei 10764, Taiwan
来源：
ADVANCES IN APPLIED CERAMICS | 2008年 / 107卷 / 06期
关键词：
Layered perovskite; Ceramics; Sintering; Dielectric;
D O I：
10.1179/174367508X306479
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of B2O3 doping on the sintering processes and dielectric properties of SrBi2Ta2O9 were investigated in this study. The sinterability of SrBi2Ta2O9 was significantly enhanced by doping B2O3 due to the formation of liquid phase at elevated temperatures. The addition of B2O3 also led to inhibited thermal decomposition and enhanced grain growth of SrBi2Ta2O9. The amount of doped B2O3 was found to substantially influence the dielectric constants of SrBi2Ta2O9 ceramics. When a proper amount of B2O3 was added, the dielectric constants greatly increased. For facilitating the densification process and improving the dielectric properties of SrBi2Ta2O9, it is important to control the doping amount of B2O3.
引用
收藏
页码：305 / 309
页数：5
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