Large and Stable Shape Memory Effect Realized by Defect Dipoles in Acceptor-Doped Ferroelectric Ceramics

被引：20
|
作者：
Yan, Yangxi [1 ]
Feng, Yujun [2 ,3 ]
机构：
[1] Xidian Univ, Sch Adv Mat & Nanotechnol, Xian 710071, Peoples R China
[2] Xi An Jiao Tong Univ, Elect Mat Res Lab, Key Lab, Minist Educ, Xian 710049, Peoples R China
[3] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2016年 / 99卷 / 01期
关键词：
FIELD-INDUCED STRAIN; PIEZOELECTRIC PROPERTIES; STABILIZATION; ACTUATORS; PZT;
D O I：
10.1111/jace.13942
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A large and stable shape memory effect has been observed in 0.6wt% Mn-doped (Pb0.99Nb0.02)[(Zr0.70Sn0.30)(0.52)Ti-0.48](0.98)O-3 (Mn:PNZST) ceramics after being poled at high temperature. A maximum shape memory of 0.41% was achieved. This effect is related to the preferentially oriented defect dipoles along the poling direction after poling at high temperature and electric field. Furthermore, the shape memory effect is stable after 10(4) electric cycles at 30kV/cm. The shape memory piezoelectric actuator may be fabricated using this kind of material.
引用
收藏
页码：206 / 210
页数：5
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