Electron microscopic analysis of surface damaged layer in Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystal

被引：7

作者：

Kasuya, Yusuke ^{[1
]}

Sato, Yukio ^{[1
]}

Urakami, Ryosuke ^{[1
]}

Yamada, Kazuhiro ^{[1
]}

Teranishi, Ryo ^{[1
]}

Kaneko, Kenji ^{[1
]}

机构：

[1] Kyushu Univ, Dept Mat Sci & Engn, Fukuoka 8190395, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2017年 / 56卷 / 01期

基金：

日本学术振兴会;

关键词：

PMN-PT; FERROELECTRICS; DOMAIN; STRAIN;

D O I：

10.7567/JJAP.56.010312

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single crystals of lead magnesium niobate-lead titanate, Pb(Mg1/3Nb2/3)O-3-PbTiO3 (PMN-PT), have superior dielectric and piezoelectric properties suitable for medical ultrasound imaging. Imaging devices with superior performance can be manufactured from thinner PMN-PT single crystals by mechanical dicing and/or polishing. Although it is often a concern that a damaged layer may form during the mechanical dicing and/or thinning process, the microscopic characteristics of the damaged layer have not yet been investigated in detail. In this study, the microstructural characterization of a damaged layer was investigated by transmission electron microscopy. It was found that mechanical polishing introduced dislocation near the surface of the crystal. It was also found that the domain structure was affected by the introduction of dislocation. (C) 2017 The Japan Society of Applied Physics

引用

页数：4

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