Flexoelectric behavior in PIN-PMN-PT single crystals over a wide temperature range

被引：26

作者：

Shu, Longlong ^{[1
]}

Li, Tao ^{[2
]}

Wang, Zhiguo ^{[3
]}

Li, Fei ^{[4
,5
,6
]}

Fei, Linfeng ^{[1
]}

Rao, Zhenggang ^{[1
]}

Ye, Mao ^{[2
]}

Ke, Shanming ^{[2
]}

Huang, Wenbin ^{[3
]}

Wang, Yu ^{[1
]}

Yao, Xi ^{[4
,5
]}

机构：

[1] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Jiangxi, Peoples R China

[2] Shenzhen Univ, Coll Mat Sci & Engn, Shenzhen 518060, Peoples R China

[3] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China

[4] Xi An Jiao Tong Univ, Minist Educ, Elect Mat Res Lab, Key Lab, Xian 710049, Peoples R China

[5] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Peoples R China

[6] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

APPLIED PHYSICS LETTERS | 2017年 / 111卷 / 16期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

BARIUM STRONTIUM-TITANATE; FERROELECTRIC THIN-FILMS; ELECTRIC POLARIZATION; STRAIN GRADIENTS; PIEZOELECTRICITY; CERAMICS; SOLIDS; PHASES;

D O I：

10.1063/1.5001265

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Flexoelectricity couples strain gradient to polarization and usually exhibits a large coefficient in the paraelectric phase of the ferroelectric perovskites. In this study, we employed the relaxor 0.3Pb(In1/2Nb1/2)O-3-0.35Pb(Mg1/3Nb2/3)O-3-0.35PbTiO(3) (PIN-PMN-PT) single crystals to study the relationship between flexoelectric coefficients and the crystal structure. The flexoelectric coefficients in PINPMNPT single crystal are found to vary from 57 mu C/m at orthorhombic/monoclinic phase to 135 mu C/m at tetragonal phase, and decreases to less than 27 mu C/m in the temperature above T-m. This result discloses that ferroelectricity can significantly enhance the flexoelectricity in this kind of perovskite. Published by AIP Publishing.

引用

页数：5

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