Formation mechanism for ferroelectric domain structures in a LiNbO3 optical superlattice

被引：0
|
作者：
Lu, YL
Lu, YQ
Cheng, XF
Luo, GP
Xue, CC
Ming, NB
机构：
[1] CTR ADV STUDIES SCI & TECHNOL MICROSTRUCT,NANJING 210093,PEOPLES R CHINA
[2] CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
[3] NATL LAB SOLID STATE MICROSTRUCT,NANJING 210093,PEOPLES R CHINA
来源：
APPLIED PHYSICS LETTERS | 1996年 / 68卷 / 19期
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Yttrium solute concentration distribution over periodic domains in a LiNbO3 optical superlattice was measured with x-ray energy dispersive spectrum analysis (EDS). A critical concentration gradient mechanism has been proposed in which it is the concentration gradient which determines the configuration of periodic ferroelectric domains. An islandlike domain in periodic domains has been proved to originate from a solute aggregation during crystal growth. (C) 1996 American Institute of Physics.
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页码：2642 / 2644
页数：3
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