Shape evolution of isolated micro-domains in lithium niobate

被引：22
作者：
Shur, V. Ya. [1 ]
Lobov, A. I. [1 ]
Shur, A. G. [1 ]
Rumyantsev, E. L. [1 ]
Gallo, K. [2 ]
机构：
[1] Ural State Univ, Ferroelect Lab, Ekaterinburg, Russia
[2] Univ Southampton, Opt Res Ctr, Southampton, Hants, England
来源：
FERROELECTRICS | 2007年 / 360卷
关键词：
domain structure; polarization reversal; lithium niobate; domain kinetics;
D O I：
10.1080/00150190701517580
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The varieties of domain shapes produced in single crystals of lithium niobate LiNbO3 family by application of the uniform electric field have been revealed. The crucial role of predetermined nucleation effect representing the step generation at vertices of polygon domain and step growth in three Y directions was discussed. We put emphasis on formation of unusual domain shapes created by switching in non-equilibrium conditions arisen due to retardation of the screening of depolarization field. Formation of oriented fingers and dendrite self-assembled domain structures during switching with artificial surface dielectric layer and during spontaneous backswitching was considered.
引用
收藏
页码：233 / 241
页数：9
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