Crystal orientation dependence of piezoelectric properties in lead zirconate titanate: Theoretical expectation for thin films

被引：162

作者：

Du, XH ^{[1
]}

Belegundu, U ^{[1
]}

Uchino, K ^{[1
]}

机构：

[1] PENN STATE UNIV,MAT RES LAB,INT CTR ACTUATORS & TRANSDUCERS,UNIVERSITY PK,PA 16802

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1997年 / 36卷 / 9A期

关键词：

crystal orientation; thin film; lead zirconate titanate;

D O I：

10.1143/JJAP.36.5580

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Crystal orientation dependence of piezoelectric properties has been calculated phenomenologically for lead zirconate titanate (PZT) in the three-dimensional space. The calculation has been made for tetragonal PZT 40/60 (40% PZ and 60% PT) and rhombohedral PZT 60/40 compositions. The maximum longitudinal piezoelectric constant d(33) and electromechanical coupling factor k(33) in the rhombohedral composition were found to be at 57 degrees and 51 degrees angles, respectively, canted from the spontaneous polarization direction. This suggests that thin film piezoelectric actuators or sensors should employ a rhombohedral composition with the perovskite [100] epitaxially-oriented configuration.

引用

页码：5580 / 5587

页数：8

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