Multiferroic Domain Structure in Orthorhombic Multiferroics of Cycloidal Spin Order: Three-Dimensional Phase Field Simulations

被引：3
|
作者：
Chu, P. [1 ]
Wang, Y. L. [1 ]
Lin, L. [1 ]
Dong, S. [2 ]
Liu, J. -M. [1 ,3 ]
机构：
[1] Nanjing Univ, Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Southeast Univ, Dept Phys, Nanjing 210008, Peoples R China
[3] S China Normal Univ, Inst Adv Mat, Guangzhou 510006, Guangdong, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2013年 / 49卷 / 07期
关键词：
Cycloidal spin order; multiferroic domain; phase field model;
D O I：
10.1109/TMAG.2013.2243902
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The three-dimensional (3-D) multiferroic domain patterns in multiferroic rare-earth manganites of the ab-plane cycloidal spin (CS) order and bc-plane CS order are investigated by means of Monte Carlo simulation based on the multiferroic Heisenberg model and phase-field simulation based on the time-dependent Ginzburg-Landau equation. It is revealed that the ferroelectric domains associated with both the ab-plane CS order and bc-plane CS order align in the 180 degrees-domain pattern with polarization parallel with domain walls. The mechanism dominating the domain patterns is discussed.
引用
收藏
页码：3117 / 3120
页数：4
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