Determination of 60° polarization nanodomains in a relaxor-based ferroelectric single crystal

被引：14
|
作者：
Kim, Kyou-Hyun [1 ,2 ]
Payne, David A. [1 ]
Zuo, Jian-Min [1 ,2 ]
机构：
[1] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
[2] Univ Illinois, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA
来源：
APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 16期
关键词：
BEAM ELECTRON-DIFFRACTION; PHASE; SYMMETRY; RESOLUTION; ROTATION; FIELD;
D O I：
10.1063/1.4932955
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Here, we report a determination of monoclinic nanodomains in PMN-xPT with x = 31% PT by using scanning convergent beam electron diffraction (SCBED). We show the presence of 60 +/- alpha degree nanodomains with Cm-like symmetry as well as significant variations (alpha) in local polarization directions across lengths of similar to 10 nm. The principle of our technique is general and can be applied for the determination of polarization domains in other ferroelectric materials of different symmetry. (C) 2015 AIP Publishing LLC.
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页数：4
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