Dielectric and pyroelectric properties of Ba-modified lead lanthanum zirconate stannate titanate ceramics

被引：11
|
作者：
Zhang, Qingfeng [1 ]
Jiang, Shenglin [1 ]
Zeng, Yike [1 ]
Xie, Zhenzhen [1 ]
Fan, Maoyan [1 ]
Zhang, Guangzu [1 ]
Zhang, Yangyang [1 ]
Yu, Yan [1 ]
Wang, Jing [1 ]
Qin, Xiaoye [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect Sci & Technol, Wuhan 430074, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2011年 / 176卷 / 10期
基金：
国家高技术研究发展计划(863计划);
关键词：
PLZST; Dielectric properties; Ferroelectric properties; Pyroelectric properties; SCANDIUM-TANTALATE; PHASE-TRANSITIONS; FIELD; TUNABILITY; BEHAVIOR;
D O I：
10.1016/j.mseb.2011.03.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
(Pb0.97-xLa0.02Bax)(Zr0.75Sn0.12Ti0.13)O-3 ceramics in the composition range 0.1 <= x <= 0.16 were prepared by conventional solid state reaction process. On increasing Ba content from 0.1 to 0.16 mol, the specimens underwent phase transition from the first order to the second order and the Curie temperature decreased from 85 to 35 degrees C. With x=0.16, the specimen showed good pyroelectric properties for practical applications. When a 500 V/mm dc bias field was applied, the specimen showed the maximum pyroelectric coefficient of 5800 mu C/m(2) K and figure of merit of 58 x 10(-5) Pa-0.5 at Curie temperature. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：816 / 820
页数：5
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