Microstructure and electrical properties of PLZT ceramics from Pb3O4 as the lead source

被引：4
|
作者：
Zhang, Jihua [1 ]
Mo, Shangjun [1 ]
Wang, Huayi [1 ]
Zhen, Shanxue [1 ]
Chen, Hongwei [1 ]
Yang, Chuanren [1 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Lead lanthanum zirconate titanate (PLZT); Ceramics; Perovskite; Ferroelectric; Pb3O4; EXCESS PBO; PLZT7/60/40; CERAMICS; FILMS;
D O I：
10.1016/j.jallcom.2010.11.135
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, Pb3O4, rather than conventional PbO, was introduced in the solid phase synthesis of (Pb0.92La0.08)(Zr0.35Ti0.65)(0.98)O-3 (PLZT) ceramics. The microstructure and electrical properties of the PLZT ceramics were investigated. Results showed that due to the activity of Pb3O4, pyrochlore phase PLZT was depressed effectively. The PLZT ceramics with 5.0 wt.% excess Pb3O4 in the original materials had a well-crystallized pure perovskite structure when being sintered at 1100 degrees C for 6 h. In addition, the amount of Pb3O4 had an influence on the electrical properties of the PLZT ceramics. Residual polarization as high as 36.9 mu C/cm(2) was obtained from the samples with 5.0 wt.% excess Pb3O4. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2838 / 2841
页数：4
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