The Charge Release and Its Mechanism for Pb(In1/2Nb1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 Ferroelectric Crystals Under One-Dimensional Shock Wave Compression

被引：10
作者：
Gao, Junjie [1 ]
Xie, Long [1 ]
Zhang, Hao [1 ]
Yu, Jidong [1 ]
Liu, Gaomin [1 ]
Wang, Ganghua [1 ]
Bai, Jingsong [1 ]
Gu, Yanqin [1 ]
He, Hongliang [1 ]
机构：
[1] China Acad Engn Phys, Inst Fluid Phys, Natl Key Lab Shock Wave & Detonat Phys, Mianyang 621900, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 03期
基金：
中国国家自然科学基金;
关键词：
SINGLE-CRYSTALS; BATIO3;
D O I：
10.1111/jace.13379
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：
The charge release and related mechanisms for Pb(In1/2Nb1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 (PIN-PMN-PT) ferroelectric crystals under one-dimensional shock wave compression were investigated using discharge current profile measurement, by which the piezoelectric stress coefficient e(31) and the phase transition (from tetragonal to orthorhombic phase) pressure were obtained, being -2.9C/m(2) and 2.3GPa, respectively. Based on experiment results and thermodynamics analysis, it was found that the one-dimensional shock compression favored ferroelectric phase, being different from the effect of hydrostatic pressure, which favored paraelectric phase. This phenomenon can be attributed to the crystal anisotropy and electromechanical coupling effects as one-dimensional shock compression is applied to PIN-PMN-PT ferroelectric crystals.
引用
收藏
页码：855 / 860
页数：6
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