Internal Effective Field Sources For Spin Torque Nanopillar Oscillators

Gino Hrkac; Thomas Schrefl; Julian Dean; Alexander Goncharov; Simon Bance; Dieter Suess; Josef Fidler

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Internal Effective Field Sources For Spin Torque Nanopillar Oscillators

机译：自旋扭矩纳米柱振荡器的内部有效场源

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In this paper we numerically conduct micromagnetic modeling with an expended micromagnetic model that includes the spin torque term and an impedance model to investigate methods to replace external field sources with internal ones and to investigate its tuneability on nanopillar geometries. We present results for three methods: interlayer coupling, large perpendicular anisotropy, and magnetostatic coupling. The internal field sources are evaluated as function of frequency shift with current, its dependency on temperature, and are tested against analytical predictions.

机译：在本文中，我们使用扩展的微磁模型（包括自旋转矩项和阻抗模型）对微磁模型进行了数值研究，以研究用内部磁源替换外部磁场源的方法，并研究其在纳米柱几何结构上的可调谐性。我们介绍三种方法的结果：层间耦合，大垂直各向异性和静磁耦合。内部场源被评估为频率随电流变化的函数，电流对温度的依赖性，并针对分析预测进行测试。

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来源
《Journal of Applied Physics》 |2009年第5期|346-351|共6页
作者
Gino Hrkac; Thomas Schrefl; Julian Dean; Alexander Goncharov; Simon Bance; Dieter Suess; Josef Fidler;
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作者单位

Department of Engineering Materials, Sir Robert Hadfieldbuilding, University of Sheffield, Mapping Street, S13JD Sheffield, United Kingdom;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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1. Micromagnetic study of high-power spin-torque oscillator with perpendicular magnetization in half-metallic Heusler alloy spin valve nanopillar under external magnetic fields [J] . H.B. Huang, X.Q. Ma, C.P. Zhao, Journal of magnetism and magnetic materials . 2015,第jana期

机译：外部磁场下半金属Heusler合金自旋阀纳米柱中垂直磁化大功率自旋转矩振荡器的微磁研究
2. Modelling high-power spin-torque oscillator with perpendicular magnetization in half-metallic Heusler alloy spin valve nanopillar [J] . H.B. Huang, X.Q. Ma, Z.H. Liu Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2014,第Null期

机译：采用半金属Heusler合金旋转阀纳米纤维垂直磁化建模高功率旋转扭矩振荡器
3. Micromagnetic simulation of high-power spin-torque oscillator in half-metallic Heusler alloy spin valve nanopillar [J] . H. B. Huang, X. Q. Ma, Z. H. Liu, AIP Advances . 2013,第3期

机译：半金属Heusler合金自旋阀纳米柱中大功率自旋转矩振荡器的微磁模拟
4. Linear and nonlinear spin-wave mode localization in a spin-torque oscillator with a field well [C] . R.V. Verba, V.S. Tiberkevich, A.N. Slavin IEEE International Magnetics Conference . 2017

机译：具有场阱的自旋转矩振荡器中的线性和非线性自旋波模式定位
5. Nanowire Spin Torque Oscillator Driven by Spin Orbit Torques. [D] . Smith, Andrew. 2016

机译：由自旋轨道扭矩驱动的纳米线自旋扭矩振荡器。
6. In-plane direct current probing for spin orbit torque-driven effective fields in perpendicularly magnetized heavy metal/ferromagnet/oxide frames [O] . Seungmo Yang, Jinhyung Choi, Junghoon Shin, -1

机译：垂直磁化重金属/铁磁体/氧化物框架中自旋轨道转矩驱动有效场的平面内直流探测
7. Internal effective field sources for spin torque nano pillar oscillators [O] . Hrkac, Gino, Schrefl, Thomas, Dean, Julian, 2008

机译：自旋扭矩纳米柱振荡器的内部有效场源

Internal Effective Field Sources For Spin Torque Nanopillar Oscillators

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