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Related papers: Microscopic Origin of Spin-Orbit Torque in Ferroma…

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Spin-orbit torque (SOT) in the heavy elements with a large spin-orbit coupling (SOC) has been frequently used to manipulate the magnetic states in spintronic devices. Recent theoretical works have predicted that the surface oxidized light…

Materials Science · Physics 2024-05-13 Kun Zheng , Cuimei Cao , Yingying Lu , Jing Meng , Junpeng Pan , Zhenjie Zhao , Yang Xu , Tian Shang , Qingfeng Zhan

Electric field induced spin-orbit torques are the crucial mechanism for electric regulations of antiferromagnetic order. However, the spin-orbit torques in antiferromagnets and the induced spin dynamics remain largely unexplored. In this…

Materials Science · Physics 2025-12-12 Yizhuo Song , Jianting Dong , Jiahao Shentu , Jia Zhang

We report that synthetic antiferromagnets (SAFs) can be efficiently switched by spin-orbit torques (SOTs) and the switching scheme does not obey the usual SOT switching rule. We show that both the positive and negative spin Hall angle…

Mesoscale and Nanoscale Physics · Physics 2017-04-04 Chong Bi , Hamid Almasi , Kyle Price , Ty Newhouse-Illige , Meng Xu , Shane R. Allen , Xin Fan , Weigang Wang

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

Current-induced spin-orbit torque (SOT) in normal metal/ferromagnet (NM/FM) bilayers bears great promise for technological applications, but the microscopic origin of purely interfacial SOTs in ultra-thin systems is not yet fully…

Mesoscale and Nanoscale Physics · Physics 2023-02-02 Alessandro Veneri , David T. S. Perkins , Aires Ferreira

Deterministic current-induced spin-orbit torque (SOT) switching of magnetization in a heavy transition metal/ferromagnetic metal/oxide magnetic heterostructure with the ferromagnetic layer being perpendicularly-magnetized typically requires…

Current-driven spin-orbit torques are investigated in a heterostructure composed of a ferromagnet deposited on top of a three dimensional topological insulator using the linear response formalism. We develop a tight-binding model of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-05 Sumit Ghosh , Aurelien Manchon

Motivated by recent observations of unconventional out-of-plane dampinglike torque in \ch{WTe2}/Permalloy bilayer systems, we calculate the spin-orbit torque generated in two-dimensional transition metal dichalcogenide (TMD)-ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2020-07-07 Fei Xue , Christoph Rohmann , Junwen Li , Vivek Amin , Paul Haney

Motivated by recent experimental development, we investigate spin-orbit coupled repulsive Fermi atoms in a one-dimensional optical lattice. Using the density-matrix renormalization group method, we calculate momentum distribution function,…

Quantum Gases · Physics 2015-10-09 Xiaofan Zhou , Kuang Zhang , Junjun Liang , Gang Chen , Suotang Jia

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

Spin-orbit torques (SOT) in thin film heterostructures originate from strong spin-orbit interactions (SOI) that, in the bulk, generate a spin current as the result of extrinsic spin-dependent, skew or/and side-jump, scattering, or in the…

We propose a mechanism of torque generation by injection of an orbital current, which we call $\textit{orbital torque}$. In a magnetic bilayer consisting of a nonmagnet (NM) and a ferromagnet (FM), we consider a situation where the…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Dongwook Go , Hyun-Woo Lee

Spin-orbit torques (SOTs) are widely used to control magnetization in nanoscale electric systems and are typically assumed to drive skyrmion nucleation and motion in a deterministic manner, especially in materials with strong…

Current-induced torques in ultrathin Co/Pt bilayers were investigated using an electrically driven FMR technique. The angle dependence of the resonances, detected by a rectification effect as a voltage, were analysed to determine the…

Mesoscale and Nanoscale Physics · Physics 2014-03-05 T. D. Skinner , M. Wang , A. T. Hindmarch , A. W. Rushforth , A. C. Irvine , D. Heiss , H. Kurebayashi , A. J. Ferguson

Electrical manipulation of magnetization by spin-orbit torque (SOT) has shown promise for realizing reliable magnetic memories and oscillators. To date, the generation of transverse spin current and SOT, whether it is of spin Hall effect…

Materials Science · Physics 2019-02-20 Yong-Chang Lau , Hwachol Lee , Kohji Nakamura , Masamitsu Hayashi

We analyze the origin of spin-orbit coupling (SOC) in fluorinated graphene using Density Functional Theory (DFT) and a tight-binding model for the relevant orbitals. As it turns out, the dominant source of SOC is the atomic spin-orbit of…

Mesoscale and Nanoscale Physics · Physics 2016-03-16 R. M. Guzmán-Arellano , A. D. Hernández-Nieves , C. A. Balseiro , Gonzalo Usaj

Spin-orbit-torque (SOT) induced magnetization switching in Co/Pt/Co trilayer, with two Co layers exhibiting magnetization easy axes orthogonal to each other is investigated. Pt layer is used as a source of spin-polarized current as it is…

Accurate quantification of the spin-orbit torques (SOTs) is critical for the identification and applications of new spin-orbitronic effects. One of the most popular techniques to qualify the SOTs is the switching angle shift, where the…

Mesoscale and Nanoscale Physics · Physics 2025-09-10 Xiaomiao Yin , Guanglei Han , Guowen Gong , Jun Kang , Changmin Xiong , Lijun Zhu

Transition metal dichalcogenides (TMDs) are promising materials for efficient generation of current-induced spin-orbit torques on an adjacent ferromagnetic layer. Numerous effects, both interfacial and bulk, have been put forward to explain…

The role of spin fluctuations near magnetic phase transitions is crucial for generating various exotic phenomena, including anomalies in the extraordinary Hall effect, excess spin-current generation through the spin-Hall effect (SHE), and…

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