Enhancement of the Low Temperature Electromechanical Activity by Electric Field Induced Phase Transition in Sr Modified 0.65Pb(Mg1/3Nb2/3)O3-0.35PbTiO3 Ceramics

被引:1
|
作者
Cao, Zhenzhu [1 ,2 ,3 ]
Li, Guorong [1 ]
Or, Siuwing [2 ]
Zeng, Jiangtao [1 ]
Zheng, Liaoying [1 ]
Yin, Qingrui [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
关键词
Electromechanical activity; phase transformation; low temperature;
D O I
10.1080/00150193.2010.484774
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The temperature dependences of the dielectric, elastic, piezoelectric properties of Sr modified PMN-PT ceramics have been investigated. Enhanced electromechanical properties have been induced by the electrical field induced phase transition from the monoclinic to the tetragonal phase. Sr substituting Pb shifts this phase transition to low temperature. The enhanced piezoelectric activity facilitates its applications in cryogenic temperature range.
引用
收藏
页码:3 / 8
页数:6
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