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Characterization and Manipulation of Spin Orbit Torque in Magnetic Heterostructures

机译：磁性异质结构中自旋轨道转矩的表征与操纵

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摘要

Electrical-current-induced magnetization switching is a keystone concept in the development of spintronics devices. In the last few years, this field has experienced a significant boost with the discovery of spin orbit torque (SOT) in magnetic heterostructures. Here, the recent results as to the characterization and manipulation of SOT in various heavy-metal/ferromagnet heterostructures are summarized. First, different electrical measurement methods that allow the physical features of SOT to be revealed are introduced. Second, it is shown that SOT in magnetic heterostructures can be manipulated via various material engineering approaches. The interfacial and bulk contributions of SOT are also discussed. These results advance the understanding of SOT and provide novel approaches toward energy-efficient spintronic devices.
机译：电流感应的磁化开关是自旋电子器件开发中的关键概念。在过去的几年中，随着磁异质结构中自旋轨道转矩（SOT）的发现，该领域经历了重大的发展。在此，总结了有关各种重金属/铁磁体异质结构中SOT的表征和操作的最新结果。首先，介绍了可以揭示SOT物理特征的不同电测量方法。其次，表明可以通过各种材料工程方法来操纵磁异质结构中的SOT。还讨论了SOT的界面和整体贡献。这些结果促进了对SOT的理解，并为节能自旋电子器件提供了新颖的方法。

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  • 来源
    《Advanced Materials》 |2018年第17期|1705699.1-1705699.12|共12页
  • 作者

    Qiu Xuepeng; Shi Zhong; Fan Weijia; Zhou Shiming; Yang Hyunsoo;

  • 作者单位

    Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China;

    Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China;

    Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China;

    Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China;

    Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    magnetic heterostructures; Rashba effect; spin Hall effect; spin orbit torque;

    机译：磁性异质结构;Rashba效应;自旋霍尔效应;自旋轨道转矩;

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