Spin Transfer Torque Switching in Pentalayer Nanopillar with Biquadratic Coupling

被引：0
|
作者：
D. Aravinthan
P. Sabareesan
M. Daniel
机构：
[1] Bharathidasan University,Centre for Nonlinear Dynamics, School of Physics
[2] SASTRA University,Centre for Nonlinear Science and Engineering, School of Electrical and Electronics Engineering
[3] SNS Institutions,undefined
来源：
Journal of Superconductivity and Novel Magnetism | 2018年 / 31卷
关键词：
Ultrafast magnetization dynamics; Multilayer; Magnetization switching; Spin transfer torque; Nanopillar; Switching time;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of biquadratic coupling on spin transfer torque-assisted magnetization switching in the pentalayer nanopillar device is studied by numerically solving the magnetization switching dynamics of the free layer governed by the Landau- Lifshitz-Gilbert-Slonczewski (LLGS) equation. Magnetization switching time in the absence of biquadratic coupling for an applied current density of 10 × 1011Am− 2 is 186 ps. Biquadratic coupling arises due to the uncorrelated roughness in the ferromagnetic layers and it reduces the switching time to 160 ps. Further, the impact of the period of roughness and spacer layer thickness on switching time are studied.
引用
收藏
页码：2567 / 2572
页数：5
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