Characterization and Manipulation of Spin Orbit Torque in Magnetic Heterostructures,Advanced Materials

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Characterization and Manipulation of Spin Orbit Torque in Magnetic Heterostructures
Advanced Materials ( IF 27.4 ) Pub Date : 2018-02-22 , DOI: 10.1002/adma.201705699
Xuepeng Qiu ₁ , Zhong Shi ₁ , Weijia Fan ₁ , Shiming Zhou ₁ , Hyunsoo Yang ₂

Affiliation

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.

中文翻译：

磁性异质结构中自旋轨道转矩的表征和操纵

电流感应的磁化开关是自旋电子器件开发中的重要概念。在过去的几年中，随着磁异质结构中自旋轨道扭矩（SOT）的发现，该领域经历了巨大的发展。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。

更新日期：2018-02-22

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