Domain Wall Dynamics under an In-Plane Rotating Magnetic Field in a Nanowire with Perpendicular Magnetic Anisotropy

被引：1
|
作者：
Lee, Sung Chul [1 ]
Cho, Young Jin [1 ]
Pi, Ung Hwan [1 ]
Bae, Ji Young [1 ]
Heo, Jinseong [1 ]
Seo, Sunae [1 ]
Shin, Jae Kwang [1 ]
Lee, Taek Dong [2 ]
机构：
[1] Samsung Adv Inst Technol, Yongin 449712, Gyeonggi Do, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2010年 / 49卷 / 02期
关键词：
MOTION;
D O I：
10.1143/JJAP.49.023002
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
As an alternative to current or static magnetic field driven domain wall (DW) motion, we studied the dynamics of DW motion under an in-plane rotating magnetic field (IRMF) in a metallic nanowire with a perpendicular magnetic anisotropy. An equation describing the DW motion was obtained with a one-dimensional analytical model based on a collective coordinate approach. The DW velocity can easily be controlled up to hundreds of meters per second by varying the IRMF amplitude and frequency. The validity of the equation for DW motion was confirmed with micromagnetic simulations. (C) 2010 The Japan Society of Applied Physics
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页数：4
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