The effect of substitution of WO3 on relaxation behavior of Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics

被引：8
|
作者：
Zhong, N [1 ]
Dong, XL [1 ]
Sun, DZ [1 ]
Du, H [1 ]
Yang, H [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2004年 / 106卷 / 03期
关键词：
PMN-PT; relaxor; morphotropic phase boundary; dielectric properties;
D O I：
10.1016/j.mseb.2003.09.035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
0.67Pb(Mg1/3Nb2/3)O-3 (PMN)-0.33PbTiO(3) (PT) ferroelectric ceramics has been selected as base component. Different content of B-site substitute (0.1, 0.5 and 1 mol%) were used to modify the base component. The specimens were synthesized by the columbite precursor method, and pure perovskite phase were obtained for all the specimens. The dielectric behavior was examined to investigate the relaxor behavior of each component. It is found that the specimen undoped and modified with 0.1 mol% WO3 nearly behave as normal ferroelectric ceramics, while with the content of WO3 increasing, the degree of relaxor behavior for the composition increases. Thus, B-site substitute WO3 has a strong effect of inducing relaxor behavior of PMN-PT ferroelectric ceramics near morphotropic phase boundary (MPB). (C) 2003 Published by Elsevier B.V.
引用
收藏
页码：263 / 268
页数：6
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