Electric-field-induced strain and piezoelectric properties of a high Curie temperature Pb(In1/2Nb1/2)O3-PbTiO3 single crystal

被引：27

作者：

Guo, YP ^{[1
]}

Luo, HS ^{[1
]}

He, TH ^{[1
]}

Pan, XM ^{[1
]}

Yin, ZW ^{[1
]}

机构：

[1] Chinese Acad Sci, State Key Lab High Performance Ceram & Superfine, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2003年 / 38卷 / 05期

基金：

中国国家自然科学基金;

关键词：

electronic materials; impendence spectroscopy; dielectric properties; ferroelectricity; piezoelectricity;

D O I：

10.1016/S0025-5408(03)00043-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The temperature dependence of dielectric and piezoelectric properties, electric-field-induced strains of 0.66 Pb(In1/2Nb1/2)O-3-0.34 PbTiO3 single crystals, which were grown directly from melt by using the modified Bridgman technique with the allomeric Pb(Mg2/3Nb1/3)O-3-PbTiO3 seed crystals, were determined as a function of crystallographic orientation with respect to the prototypic (cubic) axes. Ultrahigh piezoelectric response (d(33) similar to 2000 pC/N, k(33) similar to 94%) and strain levels up to 0.8%, comparable to rhombohedral (1-x)Pb(Mg2/3Nb1/3)O-3-xPbTiO(3) and (1-x)Pb(Zn2/3Nb1/3)O-3-xPbTiO(3) single crystals, were observed for the <0 0 1>-oriented crystals. Strain levels up to 0.47% and piezoelectric constant d(33) 1600 pC/N could be achieved being related to an electric-field-induced rhombohedral-orthorhombic phase transition for the <1 1 0>-oriented crystals. In addition, high electromechanical coefficients k(33) (similar to88%) can be achieved even heating to 110degreesC. High T-C (similar to200degreesC), large electromechanical coefficients k(33) (similar to94%) and low dielectric loss factor (similar to1%), along with large strain make the crystals promising candidates for a wide range of electromechanical transducers. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：857 / 864

页数：8

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