Dendritic domain configurations in Pb(Zn1/3Nb2/3)O3-PbTiO3 single crystals

被引：22
|
作者：
Yu, HX [1 ]
Randall, CA [1 ]
机构：
[1] Penn State Univ, Mat Res Lab, University Pk, PA 16802 USA
来源：
JOURNAL OF APPLIED PHYSICS | 1999年 / 86卷 / 10期
关键词：
D O I：
10.1063/1.371586
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Domain structures arising as a result of pulsed electric fields are investigated in Pb(Zn1/3Nb2/3)O-3-PbTiO3 (PZN-PT) < 001 > single crystals by means of etching and environmental scanning electron microscope. It is shown that randomly orientated dendritic domain patterns were created under a pulsed electric field condition. The dendritic patterns are believed to be the result of local electric field and elastic deformation. Dendritic structures are also found during a back-switching process in 0.92PZN-0.08PT [001] single crystals. It is hypothesized that these unusual nonequilibrium domain structures are the result of local defects and space charge in the relaxor PZN-PT crystals. (C) 1999 American Institute of Physics. [S0021-8979(99)03122-9].
引用
收藏
页码：5733 / 5738
页数：6
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