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Related papers: Direct determination of Spin-Orbit torque by using…

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Motivated by recent progress in employing two key classes of two-dimensional materials-topological insulators and transition-metal dichalcogenides (TMDCs)-as spin sources for generating spin-orbit torque (SOT), we investigate…

Mesoscale and Nanoscale Physics · Physics 2025-08-01 Leyla Majidi , Azadeh Faridi , Reza Asgari

Spin-orbit torques (SOTs), which rely on spin current generation from charge current in a nonmagnetic material, promise an energy-efficient scheme for manipulating magnetization in magnetic devices. A critical topic for spintronic devices…

Mesoscale and Nanoscale Physics · Physics 2020-09-28 Yuting Liu , Qiming Shao

Increasing dampinglike spin-orbit torque (SOT) is both of fundamental importance for enabling new research into spintronics phenomena and also technologically urgent for advancing low-power spin-torque memory, logic, and oscillator devices.…

Mesoscale and Nanoscale Physics · Physics 2019-06-12 Lijun Zhu , Lujun Zhu , Shengjie Shi , Manling Sui , D. C. Ralph , R. A. Buhrman

Two classes of spin-orbit coupling (SOC) mechanisms have been considered as candidate sources for the spin orbit torque (SOT): the spin Hall Effect (SHE) in heavy metals with strong SOC and the Rashba effect arising from broken inversion…

Materials Science · Physics 2018-01-24 Zelalem Abebe Bekele , Kangkang Meng , Yong Wu , Jun Miao , Xiaoguang Xu , Yong Jiang

An experimental study of current-induced magnetization reversal of the Ru/Co/Ru and Ru/Co/Ru/W structures was carried out. In the considered structures, due to the small value of the coercive force comparable in magnitude to the Oersted…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 M. E. Stebliy , A. G. Kolesnikov , A. V. Ognev , E. V. Stebliy , X. Wang , H. F. Han , A. S. Samardak

Recent discovery of spin-orbit torques (SOTs) within magnetic single-layers has attracted attention in the field of spintronics. However, it has remained elusive as to how to understand and how to tune the SOTs. Here, utilizing the single…

Mesoscale and Nanoscale Physics · Physics 2021-06-28 Lijun Zhu , Daniel C. Ralph , Robert A. Buhrman

The use of electric fields applied across magnetic heterojunctions that lack spatial inversion symmetry has been previously proposed as a non-magnetic mean of controlling localized magnetic moments through spin-orbit torques (SOT). The…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 María Camarasa-Gómez , Daniel Hernangómez-Pérez , Ferdinand Evers

Electric-field manipulation of magnetic order has proved of both fundamental and technological importance in spintronic devices. So far, electric-field control of ferromagnetism, magnetization and magnetic anisotropy has been explored in…

Application of sufficient lateral current to a heavy metal (HM) can switch the perpendicular magnetization orientation of adjacent ferromagnetic layer (FM) through spin-orbit torques (SOTs). The choice of the HM and its arrangement plays a…

Mesoscale and Nanoscale Physics · Physics 2022-11-29 Raghvendra Posti , Abhishek Kumar , Dhananjay Tiwari , Debangsu Roy

Spin-orbit torque (SOT) is an emerging technology that enables the efficient manipulation of spintronic devices. The initial processes of interest in SOTs involved electric fields, spin-orbit coupling, conduction electron spins and…

The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sergio O. Valenzuela , M. Tinkham

Deterministic magnetization switching using spin-orbit torque (SOT) has recently emerged as an efficient means to electrically control the magnetic state of ultrathin magnets. The SOT switching still lacks in oscillatory switching…

We present harmonic transverse voltage measurements of current-induced thermoelectric and spin-orbit torque (SOT) effects in ferromagnet/normal metal bilayers, in which thermal gradients produced by Joule heating and SOT coexist and give…

Mesoscale and Nanoscale Physics · Physics 2017-04-25 Can Onur Avci , Kevin Garello , Mihai Gabureac , Abhijit Ghosh , Andreas Fuhrer , Santos F. Alvarado , Pietro Gambardella

While current-induced spin-orbit torques (SOTs) have been extensively studied in ferromagnets and antiferromagnets, ferrimagnets have been less studied. Here we report the presence of enhanced spin-orbit torques resulting from negative…

Materials Science · Physics 2017-05-24 Rahul Mishra , Jiawei Yu , Xuepeng Qiu , M. Motapothula , T. Venkatesan , Hyunsoo Yang

Efficient generation of spin-orbit torques (SOTs) is central for the exciting field of spin-orbitronics. Platinum, the archetypal spin Hall material, has the potential to be an outstanding provider for spin-orbit torques due to its giant…

Mesoscale and Nanoscale Physics · Physics 2021-08-17 Lijun Zhu , Daniel C. Ralph , Robert A Buhrman

High spin-orbit torques (SOTs) generated by topological materials and heavy metals interfaced with a ferromagnetic layer show promise for next generation magnetic memory and logic devices. SOTs generated from the in-plane spin polarization…

This study reports the magnetization switching induced by spin-orbit torque (SOT) from the spin current generated in Co2MnGa magnetic Weyl semimetal (WSM) thin films. We deposited epitaxial Co2MnGa thin films with highly B2-ordered…

Materials Science · Physics 2021-02-09 Ke Tang , Zhenchao Wen , Yong-Chang Lau , Hiroaki Sukegawa , Takeshi Seki , Seiji Mitani

Current-induced magnetization switching through spin-orbit torques (SOTs) is the fundamental building block of spin-orbitronics. The SOTs generally arise from the spin-orbit coupling of heavy metals. However, even in a heterostructure where…

Materials Science · Physics 2017-09-22 Hongyu An , Takeo Ohno , Yusuke Kanno , Yuito Kageyama , Yasuaki Monnai , Hideyuki Maki , Ji Shi , Kazuya Ando

Voltage control of magnetism and spintronics have been highly desirable, but rarely realized. In this work, we show voltage-controlled spin-orbit torque (SOT) switching in W/CoFeB/MgO films with perpendicular magnetic anisotropy (PMA) with…

Materials Science · Physics 2021-02-04 Jinsong Xu , C. L. Chien

Spin-orbit torque (SOT) represents an energy efficient method to control magnetization in magnetic memory devices. However, deterministically switching perpendicular memory bits usually requires the application of an additional bias field…

Applied Physics · Physics 2018-10-03 Qianchang Wang , John Domann , Guoqiang Yu , Anthony Barra , Kang L. Wang , Gregory P. Carman