Characterization and Manipulation of Spin Orbit Torque in Magnetic Heterostructures

Advanced Materials
Xuepeng QiuHyunsoo Yang

Abstract

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.

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Citations

Aug 9, 2018·Nature Communications·Sergey DushenkoMasashi Shiraishi
Mar 7, 2020·Advanced Materials·Jeongchun RyuByong-Guk Park
Oct 23, 2020·IScience·Yi CaoKaiyou Wang
Jul 30, 2021·Advanced Science·Wei TangYu-Jia Zeng
Jul 28, 2019·ACS Applied Materials & Interfaces·Shaohai ChenJingsheng Chen

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