Effects of lanthanum doping on dielectric and electrostrictive properties of lead magnesium niobate-lead titanate ceramics

被引：0
作者：
Zhou, ZL
Wen, BS
Ma, JH
机构：
[1] Chinese Acad of Sciences, Shanghai, China
来源：
FERROELECTRICS | 1997年 / 196卷 / 1-4期
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effects of lanthanum doping on dielectric and electrostrictive properties of PMN-PT ceramics were investigated. By means of adjusting the amount of La3+ doping, not only was the emergence of pyrochlore phase detrimental to the dielectric properties effectively avoided, but also La:PMN-PT ceramics with microstructure of uniform grain size and good electrostrictive properties were obtained. The XRD results indicated there existed almost pure cubic perovskite phase in La: PMN-PT ceramics. At the same time, the dependence of dielectric and electrostrictive properties upon firing conditions was also studied.
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页码：401 / 404
页数：4
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