Polarization rotation via a monoclinic phase in the piezoelectric 92% PbZn1/3Nb2/3O3-8% PbTiO3

被引：650

作者：

Noheda, B ^{[1
]}

Cox, DE

Shirane, G

Park, SE

Cross, LE

Zhong, Z

机构：

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

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

[3] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.86.3891

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The origin of ultrahigh piezoelectricity in the relaxer ferroelectric PhZn1/3Nb2/3O3-PbTiO3 was studied with an electric field applied along the [001] direction. The zero-field rhombohedral R phase starts to follow the direct polarization path to tetragonal symmetry via an intermediate monoclinic M phase, but then jumps irreversibly to an alternate path involving a different type of monoclinic distortion. Details of the structure and domain configuration of this novel phase are described. This result suggests that there is a nearby R-M phase boundary as found in the Pb(Ti,Zr)O-3 system.

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页码：3891 / 3894

页数：4

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