Origin of the high piezoelectric response in PbZr1-xTixO3

被引：1017

作者：

Guo, R

Cross, LE

Park, SE

Noheda, B ^{[1
]}

Cox, DE

Shirane, G

机构：

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

[2] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain

[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.84.5423

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High resolution x-ray powder diffraction measurements on poled PbZr1-xTixO3 (PZT) ceramic samples close to the rhombohedral-tetragonal phase boundary (the so-called morphotropic phase boundary) have shown that for both rhombohedral and tetragonal compositions the piezoelectric elongation of the unit cell does not occur along the polar directions but along those directions associated with the monoclinic distortion. This work provides the first direct evidence for the origin of the very high piezoelectricity in PZT.

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页码：5423 / 5426

页数：4

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