The dielectric, piezoelectric and pyroelectric properties of (1-x)PST-xPZT relaxor ferroelectric ceramics

被引：0
|
作者：
Lan, Dejun [1 ]
Chen, Qiang [1 ]
Chen, Yi [1 ]
Xu, Zhuo [2 ]
Jiang, Yihang [1 ]
Yue, Xi [1 ]
Xiao, Dingquan [1 ]
Zhu, Jianguo [1 ]
机构：
[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Peoples R China
[2] Xi An Jiao Tong Univ, Elect Mat Res Lab, Xian 710049, Peoples R China
来源：
MATERIAL AND DEVICES FOR SMART SYSTEMS II | 2006年 / 888卷
关键词：
PSTZT; relaxor ferroelectrics; diffusive phase transition;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pb(Sc1/2Ta1/2)O-3 (PST) relaxer ferroelectric ceramics were investigated widely in the past decades for their excellent pyroelectric, ferroelectric and dielectric properties and comprehensive applications in uncooled focal plane arrays infrared detectors and other electronic devices. However, some other ferroelectrics could be added into the PST ceramics to form the complex perovskite ferroelectrics with better electric properties. In this paper, (1-x)PST-xPZT(PSTZT) relaxer ferroelectric ceramics were prepared by wolframite precursor process (named two-step -sintering method, TSSM). The experiment results showed that the PSTZT ceramics with pure perovskite structure could be prepared by using TSSM. The temperature dependence of permittivity and dielectric loss of PSTZT ceramics were investigated in detail, which indicated that PSTZT ceramics showed partly diffusive phase transition with little frequency dispersion. The dielectric and pyroelectric properties of PSTZT ceramics were also investigated and discussed.
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页码：239 / +
页数：2
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