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Related papers: Spin-orbit torques in strained PtMnSb from first p…

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Spin-orbit torque (SOT) refers to the excitation of magnetization dynamics via spin-orbit coupling under the application of a charged current. In this work, we introduce a simple and intuitive description of the SOT in terms of spin force.…

Mesoscale and Nanoscale Physics · Physics 2018-08-31 Cong Son Ho , Seng Ghee Tan , Shun-Qing Shen , Mansoor B. A. Jalil

Nematic order in the iron-based superconductors is closely tied to a lattice distortion and a structural transition from tetragonal to orthorhombic symmetry. External stress of the appropriate symmetry acts as a conjugate field of the…

Strongly Correlated Electrons · Physics 2019-08-07 Roland Willa , Max Fritz , Jörg Schmalian

We analyze the properties of magnons in metallic electron systems with spiral magnetic order. Our analysis is based on the random phase approximation for the susceptibilities of tight binding electrons with a local Hubbard interaction in…

Strongly Correlated Electrons · Physics 2022-04-26 Pietro M. Bonetti , Walter Metzner

The magnitude of spin-orbit torque (SOT), exerted to a ferromagnet (FM) from an adjacent heavy metal (HM), strongly depends on the amount of spin currents absorbed in the FM. We exploit the large spin absorption at the Ru interface to…

We study the spin orbit torque arising from an intrinsic linear Dresselhaus spin-orbit coupling in a single layer III-V diluted magnetic semiconductor. We investigate the transport properties and spin torque using the linear response theory…

Mesoscale and Nanoscale Physics · Physics 2013-05-17 Hang Li , Xuhui Wang , Fatih Dogan , Aurelien Manchon

We formulate and quantify the spin-orbit torque (SOT) in intrinsic antiferromagnetic topological insulator $\rm MnBi_2Te_4$ of a few septuple-layer thick, which exhibits conspicuous layer-resolved characteristics. Contrary to known…

Mesoscale and Nanoscale Physics · Physics 2024-03-27 Junyu Tang , Ran Cheng

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

Field-free switching of perpendicular magnetization has been observed in an epitaxial L1$_1$-ordered CoPt/CuPt bilayer and attributed to spin-orbit torque (SOT) arising from the crystallographic $3m$ point group of the interface. Using a…

Materials Science · Physics 2024-12-31 Wuzhang Fang , Edward Schwartz , Alexey A. Kovalev , K. D. Belashchenko

The control of magnetization by electric current is a rapidly developing area motivated by a strong synergy between breakthrough basic research discoveries and industrial applications in the fields of magnetic recording, magnetic field…

Applied Physics · Physics 2018-09-05 Yucai Li , Kevin William Edmonds , Xionghua Liu , Houzhi Zheng , Kaiyou Wang

We investigate a possible correlation between spin orbit torque (SOT) and exchange-bias (EB) in IrMn-layer/ferromagnetic-ribbon heterostructure by performing magnetoimpedance (MI) measurements. To uncover this correlation, we benefit from…

We study spin-orbit torques (SOT) in non-degenerate multiband electron systems in the weak disorder limit. In order to have better physical transparency a semiclassical Boltzmann approach equivalent to the Kubo diagrammatic approach in the…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Cong Xiao , Qian Niu

Symmetry and magnitude of spin-orbit torques (SOT), i.e., current-induced torques on the magnetization of systems lacking inversion symmetry, are investigated in a fully relativistic linear response framework based on the Kubo formalism. By…

Materials Science · Physics 2016-08-12 Sebastian Wimmer , Kristina Chadova , Marten Seemann , Diemo Ködderitzsch , Hubert Ebert

Current-induced spin torques are of great interest to manipulate the orientation of nanomagnets without applying external magnetic fields. They find direct application in non-volatile data storage and logic devices, and provide insight into…

Spintronics, the use of spin of an electron instead of its charge, has received huge attention from research communities for different applications including memory, interconnects, logic implementation, neuromorphic computing, and many…

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

Spin-orbit torque (SOT) enables ultra-fast, energy-efficient magnetization switching, making it a promising mechanism for introducing MRAMs for cache memory applications. However, current SOT-MRAM devices face write efficiency limitations,…

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…

Spin-orbit torque (SOT) magnetoresistance (MR) devices have attracted attention for use in next-generation MR devices. The SOT devices are known to exhibit different write properties based on the relative angle between the magnetization…

Mesoscale and Nanoscale Physics · Physics 2021-01-11 Yohei Shiokawa , Eiji Komura , Yugo Ishitani , Atsushi Tsumita , Keita Suda , Kosuke Hamanaka , Tomohiro Taniguchi , Tomoyuki Sasaki

Spin-orbit torque (SOT) enables efficient current-driven control of magnetization, offering a promising pathway toward low-power spintronic devices. However, the origin and propagation of both damping-like (DL) and field-like (FL) SOTs in…

Materials Science · Physics 2026-03-13 Yuming Bai , Rulin Tian , Yue Zhang , Tao Wang

Heavy metals with strong spin-orbit coupling (SOC) have been employed to generate spin current to control the magnetization dynamics by spin-orbit torque (SOT). Magnetic tunnel junction based on SOT (SOT-MTJ) is a promising application with…

Mesoscale and Nanoscale Physics · Physics 2018-05-15 Jiaqi Zhou , Weisheng Zhao , Kaihua Cao , Shouzhong Peng , Zilu Wang , Arnaud Bournel