Effects of A-site equivalence and non-equivalence substitution on polarization properties of K0.5 Na0.5 NbO3 lead-free piezoelectric ceramics

被引：1
|
作者：
Zhao Jing-Bo [1 ]
Du Hong-Liang [1 ,2 ]
Qu Shao-Bo [1 ,3 ]
Zhang Hong-Mei [1 ]
Xu Zhuo [3 ]
机构：
[1] AF Engn Univ, Coll Sci, Xian 710051, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
[3] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China
来源：
ACTA PHYSICA SINICA | 2011年 / 60卷 / 10期
基金：
中国国家自然科学基金;
关键词：
K-0.5; Na-0.5; NbO3; polarization; piezoelectric; FERROELECTRIC PROPERTIES; MICROSTRUCTURE; BEHAVIOR;
D O I：
10.7498/aps.60.107701
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effects of A-site equivalence and non-equivalence substitution on polarization temperature and electric field of K-0.5 Na-0.5 NbO3 lead-free piezoelectric ceramics are studied, and the results show that the ceramics sample of A-site equivalence is independent of polarization temperature and electric field, which can improve the piezoelectric constant. On the contrary, the ceramics sample of A-site non-equivalence substitution is sensitive to polarization temperature and electric field, constraining the piezoelectric properties.
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页数：5
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