Surface magnetoelectric effect in ferromagnetic metal films

被引：622
|
作者：
Duan, Chun-Gang [1 ]
Velev, Julian P. [2 ,3 ]
Sabirianov, R. F. [3 ,4 ]
Zhu, Ziqiang [1 ]
Chu, Junhao [1 ]
Jaswal, S. S. [2 ,3 ]
Tsymbal, E. Y. [2 ,3 ]
机构：
[1] E China Normal Univ, Minist Educ, Key Lab Polarized Mat & Devices, Shanghai 200062, Peoples R China
[2] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA
[3] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA
[4] Univ Nebraska, Dept Phys, Omaha, NE 68182 USA
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.101.137201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A surface magnetoelectric effect is revealed by density-functional calculations that are applied to ferromagnetic Fe(001), Ni(001), and Co(0001) films in the presence of an external electric field. The effect originates from spin-dependent screening of the electric field which leads to notable changes in the surface magnetization and the surface magnetocrystalline anisotropy. These results are of considerable interest in the area of electrically controlled magnetism and magnetoelectric phenomena.
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页数：4
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