Effect of Non-Adiabatic Spin Torque Parameter on Domain Wall Motion Driven by Pulse Current in a Magnetic Nanowire

被引：3
|
作者：
Murakami, Hiroshi [1 ]
Komine, Takashi [1 ]
Sugita, Ryuji [1 ]
机构：
[1] Ibaraki Univ, Dept Media & Telecommun Engn, Hitachi, Ibaraki 3168511, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 10期
基金：
日本学术振兴会;
关键词：
Current-induced domain wall motion; non-adiabatic spin torque parameter; pulse current;
D O I：
10.1109/TMAG.2009.2023852
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 effect of the non-adiabatic spin torque parameter on domain wall depinning driven by pulse current has been investigated using micromagnetic simulation. The results showed that domain wall depinning is sensitive to both pulse current frequency and the value of the non-adiabatic spin torque parameter. The transverse wall was found to be more easily depinned for larger values of the non-adiabatic constant. The largest improvement in the critical current density for a pulse current was found for a non-adiabatic spin torque parameter of 0.03.
引用
收藏
页码：3812 / 3815
页数：4
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