Piezoelectric activity of relaxor-PbTiO3 based single crystals and polycrystalline ceramics at cryogenic temperatures: Intrinsic and extrinsic contributions

被引：56

作者：

Li, Fei ^{[1
,2
]}

Zhang, Shujun ^{[1
]}

Xu, Zhuo ^{[2
]}

Wei, Xiaoyong ^{[2
]}

Luo, Jun ^{[3
]}

Shrout, Thomas R. ^{[1
]}

机构：

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

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

[3] TRS Technol Inc, State Coll, PA 16801 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 19期

基金：

中国国家自然科学基金;

关键词：

cryogenics; lead compounds; piezoceramics; DEPENDENCE;

D O I：

10.1063/1.3430059

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The piezoelectric activity in [001] poled Pb(In1/2Nb1/2)O-3-Pb(Mg1/3Nb2/3)O-3-PbTiO3 crystals was investigated as a function of composition and temperature. The level of intrinsic and/or extrinsic contribution to the total piezoelectric activity was analyzed using Rayleigh method. The results revealed that though 95% of the observed piezoelectric activity in rhombohedral crystals was intrinsic (lattice), the properties decreased significantly with decreasing temperature. At -150 degrees C, the piezoelectric response decreased by 40%-55% for the compositions close to a morphotropic phase boundary (rhombohedral-monoclinic or monoclinic-tetragonal), while decreasing only 20%-30% for the compositions in the rhombohedral region. The piezoelectric properties of Pb(Mg1/3Nb2/3)O-3-PbTiO3 polycrystalline ceramics were found to decrease by 75%, showing both intrinsic and extrinsic contributions play important role in the reduction in piezoelectricity at cryogenic temperatures for ceramics. (C) 2010 American Institute of Physics. [doi:10.1063/1.3430059]

引用

页数：3

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