A Landau-theory-based computational study of in-plane and out-of plane polarization components role in switching of ferroelectric thin films

被引：0
|
作者：
Ricinschi, D [1 ]
Noda, M
Okuyama, M
Ishibashi, Y
Iwata, M
Mitoseriu, L
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
[2] Aichi Shukutoku Univ, Fac Commun, Aichi 4801197, Japan
[3] Nagoya Inst Technol, Fac Engn, Nagoya, Aichi 4668555, Japan
[4] Al I Cuza Univ, Fac Phys, Iasi 6600, Romania
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2003年 / 42卷
关键词：
switching; 180; degrees; 90 degrees domain process; Landau theory; elastic stresses;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper we studied the switching kinetics using a discrete Landau-type three-dimensional polarization thermodynamic potential, with the elastic constraints of a film attached to a substrate. We have shown that 180degrees domain reversal and polarization vector rotations are possible switching mechanisms. depending on field strength and elastic stresses. The nature of nucleation seeds is also of crucial importance for the switching process. By drawing polarization vector representations of the ferroelectric lattice, the role of in-plane polarization components to switching has been investigated and shown to support experimental findings.
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收藏
页码：S1232 / S1236
页数：5
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