Micromagnetic analysis of current-induced domain wall motion in a bilayer nanowire with synthetic antiferromagnetic coupling
Micromagnetic analysis of current-induced domain wall motion in a bilayer nanowire with synthetic antiferromagnetic coupling
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DOI：
10.1063/1.4944769
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发表时间：
2016-05-01
期刊：
影响因子：
1.6
通讯作者：
Aono, Tomosuke
中科院分区：
文献类型：
--
作者：
Komine, Takashi;Aono, Tomosuke
通过建立畴壁运动方程的二体问题模型，研究了具有人工反铁磁耦合的双层纳米线中电流诱导的畴壁运动。层间交换耦合和静磁相互作用对SAF纳米线中电流诱导畴壁运动的影响也进行了研究。通过假设平移运动的刚性壁模型，SAF纳米线中的层间交换耦合和壁与畴之间的静磁相互作用在没有任何自旋轨道转矩的情况下增强了畴壁速度。通过能量分布对双层纳米线畴壁角构型的影响，讨论了畴壁速度的提高。(C)2016年作者。除非另有说明，否则所有文章内容均根据Creative Commons Attribution 3.0 Unported License许可。
We demonstrate current-induced domain wall motion in bilayer nanowire with synthetic antiferromagnetic (SAF) coupling by modeling two body problems for motion equations of domain wall. The influence of interlayer exchange coupling and magnetostatic interactions on current-induced domain wall motion in SAF nanowires was also investigated. By assuming the rigid wall model for translational motion, the interlayer exchange coupling and the magnetostatic interaction between walls and domains in SAF nanowires enhances domain wall speed without any spin-orbit-torque. The enhancement of domain wall speed was discussed by energy distribution as a function of wall angle configuration in bilayer nanowires. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.