Ferroelectric and antiferromagnetic domain wall

被引：14
|
作者：
Hanamura, E
Tanabe, Y
机构：
[1] Chitose Inst Sci & Technol, Chitose, Hokkaido 0668655, Japan
[2] Japan Sci & Technol Corp, Chitose, Hokkaido 0668655, Japan
[3] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2003年 / 72卷 / 11期
关键词：
ferroelectronics; hexagonal YMnO3; domain wall; counpling of order-parameters; antiferromagnets; triangular lattice;
D O I：
10.1143/JPSJ.72.2959
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It has been experimentally confirmed that the ferroelectric (FEL) and anti ferro magnetic (AFM) order-parameter in hexagonal YMnO3 are coupled at the FEL domain boundary. A microscopic model for this clamping of the two order-parameters is proposed. The clamping can be understood as due to the change of exchange integrals induced by the spin-orbit interaction and low symmetry field within the FEL domain boundary and due to spin anisotropy energy which depends on the sign of FEL polarization.
引用
收藏
页码：2959 / 2966
页数：8
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