High Curie temperature piezocrystals in the BiScO3-PbTiO3 perovskite system

被引：181

作者：

Zhang, SJ ^{[1
]}

Randall, CA ^{[1
]}

Shrout, TR ^{[1
]}

机构：

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

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 15期

关键词：

D O I：

10.1063/1.1619207

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Perovskite ferroelectric single crystals in the (1-x)BiScO3-xPbTiO(3) (BSPT) system were grown using a flux method. The Curie temperature of rhombohedral BSPT(43/57) crystals was found to be about 404 degreesC, with a rhombohedral-tetragonal phase transition temperature (Tr-t) around 350 degreesC. The coercive field (E-c) was found to be 13.7 kV/cm for <001>-oriented crystals, while the coupling factor k(33) was determined to be similar to90% at room temperature and was nearly temperature independent until 330 degreesC. High piezoelectric properties together with a high Curie temperature and coercive field make rhombohedral BSPT crystals promising candidates for the next generation of high-performance, high-temperature actuators and transducers. (C) 2003 American Institute of Physics.

引用

页码：3150 / 3152

页数：3

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