Theoretical Study of Spin-Torque Oscillator with Perpendicularly Magnetized Free Layer

Taniguchi T.; Arai H.; Kubota H.; Imamura H.

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Theoretical Study of Spin-Torque Oscillator with Perpendicularly Magnetized Free Layer

机译：垂直磁化自由层的自旋转矩振荡器的理论研究

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摘要

The magnetization dynamics of spin torque oscillator (STO) consisting of a perpendicularly magnetized free layer and an in-plane magnetized pinned layer was studied by solving the Landau-Lifshitz-Gilbert equation. We derived the analytical formula of the relation between the current and the oscillation frequency of the STO by analyzing the energy balance between the work done by the spin torque and the energy dissipation due to the damping. We also found that the field-like torque breaks the energy balance and changes the oscillation frequency.

机译：通过求解Landau-Lifshitz-Gilbert方程，研究了由垂直磁化自由层和面内磁化固定层组成的自旋扭矩振荡器（STO）的磁化动力学。通过分析自旋转矩完成的功与由于阻尼引起的能量耗散之间的能量平衡，我们得出了STO电流与振荡频率之间关系的解析公式。我们还发现，类似磁场的转矩破坏了能量平衡并改变了振荡频率。

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来源
《IEEE Transactions on Magnetics》 |2014年第1apart1期|1-1|共1页
作者
Taniguchi T.; Arai H.; Kubota H.; Imamura H.;
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作者单位

National Institute of Advanced Industrial Science and Technology (AIST), Spintronics Research Center,, Umezono, Tsukuba, Japan|c|;

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原文格式 PDF
正文语种 eng
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关键词
Landau-Lifshitz-Gilbert (LLG) equation; perpendicularly magnetized free layer; spin torque oscillator (STO); spintronics;

机译：Landau-Lifshitz-Gilbert（LLG）方程;垂直磁化的自由层;自旋扭矩振荡器（STO）;自旋电子器件;

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专利

1. Mutual synchronization of spin-torque oscillators consisting of perpendicularly magnetized free layers and in-plane magnetized pinned layers [J] . Taniguchi Tomohiro, Tsunegi Sumito, Kubota Hitoshi Applied physics express . 2018,第1期

机译：由垂直磁化的自由层和面内磁化的固定层组成的自旋扭矩振荡器的相互同步
2. Instability analysis of spin-torque oscillator with an in-plane magnetized free layer and a perpendicularly magnetized pinned layer [J] . Tomohiro Taniguchi, Hitoshi Kubota Physical review . 2016,第17期

机译：具有面内磁化自由层和垂直磁化固定层的自旋转矩振荡器的不稳定性分析
3. Instability analysis of spin-torque oscillator with an in-plane magnetized free layer and a perpendicularly magnetized pinned layer [J] . Taniguchi Tomohiro, Kubota Hitoshi Physical review, B . 2016,第17期

机译：具有面内磁化自由层和垂直磁化固定层的自旋扭矩振荡器的不稳定性分析
4. Modeling synchronization of spin-torque oscillators consisting of perpendicularly magnetized free layer and in-plane magnetized pinned layer [C] . Tomohiro Taniguchi, Sumito Tsunegi, Hitoshi Kubota 応用物理学会春季学術講演会 . 2018

机译：由垂直磁化自由层和面内磁化固定层组成的旋转扭矩振荡器的模拟同步
5. A Study of Spin-Orbit Torques and Deterministic Field-Free Switching of Perpendicular Magnetization [D] . Razavi, Seyed Armin. 2020

机译：旋转轨道扭矩的研究与垂直磁化的确定性现场切换
6. Theoretical Studies on the Electronic and OpticalProperties of Honeycomb BC3 monolayer: A Promising Candidatefor Metal-free Photocatalysts [O] . Haijun Zhang, Yunlong Liao, Guang Yang, 2018

机译：电子与光学理论研究蜂窝BC3单层的性质：一个有前途的候选人。用于无金属的光催化剂
7. Theoretical Study of Spin-Torque Oscillator with Perpendicularly Magnetized Free Layer [O] . Taniguchi, Tomohiro, Arai, Hiroko, Kubota, Hitoshi, 2013

机译：垂直旋转自旋扭矩振子的理论研究磁化自由层

Theoretical Study of Spin-Torque Oscillator with Perpendicularly Magnetized Free Layer

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