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Spin current plays a central role in spintronics for driving exotic spin-dependent phenomena and high-performance device applications. Recently, a magnetic spin Hall effect has been discovered in spin-split antiferromagnets including…

Mesoscale and Nanoscale Physics · Physics 2024-12-30 Chang Pan , Shuai Hu , Fanli Yang , Dongchao Yang , Weijia Fan , Zhong Shi , Liqing Pan , Shiming Zhou , Xuepeng Qiu

We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferromagnetic and antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 Haiqing Xie , Qiang Wang , Bo Chang , Hujun Jiao , J. -Q. Liang

Electrical control of the non-trivial topology in Weyl antiferromagnet is of great interests to develop next-generation spintronic devices. Recent works suggest that spin Hall effect can switch the topological antiferromagnetic order.…

The control of spin current is pivotal for spintronic applications, especially for spin-orbit torque devices. Spin Hall effect (SHE) is a prevalent method to generate spin current. However, it is difficult to manipulate its spin…

Computational Physics · Physics 2021-11-30 Jiaqi Zhou , Jean-Christophe Charlier

Control of magnetization dynamics is one of the primary goals in spintronics. It has been demonstrated using spin Hall effect i.e charge current to spin current conversion in non-magnetic metal which has large spin-orbit coupling such as…

Recent advances in the physics of current-driven antiferromagnetic skyrmions have observed the absence of a Magnus force. We outline the symmetry reasons for this phenomenon, and show that this cancellation will fail in the case of spin…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Matthew W. Daniels , Weichao Yu , Ran Cheng , Jiang Xiao , Di Xiao

We propose an intrinsic nonlinear spin Hall effect, which enables the generation of collinearly-polarized spin current in a large class of nonmagnetic materials with the corresponding linear response being symmetry-forbidden. This opens a…

Mesoscale and Nanoscale Physics · Physics 2024-07-26 Hui Wang , Huiying Liu , Xukun Feng , Jin Cao , Weikang Wu , Shen Lai , Weibo Gao , Cong Xiao , Shengyuan A. Yang

Our world is composed of various materials with different structures, where spin structures have been playing a pivotal role in spintronic devices of the contemporary information technology. Apart from conventional collinear spin materials…

Mesoscale and Nanoscale Physics · Physics 2020-01-03 Peixin Qin , Han Yan , Xiaoning Wang , Zexin Feng , Huixin Guo , Xiaorong Zhou , Haojiang Wu , Xin Zhang , Zhaoguogang Leng , Hongyu Chen , Zhiqi Liu

In ferromagnetic metals, the interconversion of spin and charge currents via the spin Hall effect and its inverse can depend on the angle between the ferromagnets magnetization and the spin current polarization direction. Here, such a…

Materials Science · Physics 2019-03-27 Joel Cramer , Andrew Ross , Samridh Jaiswal , Lorenzo Baldrati , Romain Lebrun , Mathias Kläui

Spin currents in ferromagnets afford diverse functionalities. We evaluate the extrinsic spin Hall effects of magnetic impurity scattering in ferromagnetic metals. We show that spin-dependent scattering can provide a high spin current…

Materials Science · Physics 2022-07-12 Yuta Yahagi , Daisuke Miura , Akimasa Sakuma

Ferromagnets with high spin polarization are known to be valuable for spintronics--a research field that exploits the spin degree of freedom in information technologies. Recently, antiferromagnets have emerged as promising alternative…

Materials Science · Physics 2024-12-02 Gautam Gurung , Mohamed Elekhtiar , Qing-Qing Luo Ding-Fu Shao , Evgeny Y. Tsymbal

The spin Hall effect is a phenomenon that an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge Hall current is induced by a spin motive force, or a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Junya Shibata , Hiroshi Kohno

In ferromagnet/normal-metal bilayers, the sensitivity of the spin Hall magnetoresistance and the spin Nernst magnetothermopower to the boundary conditions at the interface is of central importance. In general, such boundary conditions can…

Mesoscale and Nanoscale Physics · Physics 2018-03-29 Sebastian Tölle , Michael Dzierzawa , Ulrich Eckern , Cosimo Gorini

In ferromagnetic trilayers, a spin-orbit-induced spin current can have a spin polarization of which direction is deviated from that for the spin Hall effect. Recently, magnetization switching in ferromagnetic trilayers has been proposed and…

Materials Science · Physics 2020-02-07 Dong-Kyu Lee , Kyung-Jin Lee

The spin-orbit interaction enables interconversion between a charge current and a spin current. It is usually believed that in a nonmagnetic metal (NM) or at a NM/ferromagnetic metal (FM) bilayer interface, the symmetry of spin-orbit…

The kagome lattice antiferromagnets Mn$_3$X(= Sn, Ge) have a noncollinear 120$^\circ$ ordered ground state, which engenders a strong anomalous Hall response. It has been shown that this response is linked to the magnetic order and can be…

Mesoscale and Nanoscale Physics · Physics 2022-11-16 Sayak Dasgupta , Oleg A. Tretiakov

There has been considerable interest in spin-orbit torques for the purpose of manipulating the magnetization of ferromagnetic (FM) films or nano-elements for spintronic technologies. Spin-orbit torques are derived from spin currents created…

Materials Science · Physics 2016-02-02 Weifeng Zhang , Wei Han , See-hun Yang , Yan Sun , Yang Zhang , Binghai Yan , Stuart S. P. Parkin

The noncollinear antiferromagnets Mn$_3$Sn/Ge emerge as promising spin-current sources with both in-plane and out-of-plane spin polarizations, thereby enabling field-free magnetization switching. However, the microscopic origin of the…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 Mingxing Wu , Kouta Kondou , Taishi Chen , Satoru Nakatsuji , YoshiChika Otani

We study an electrically controlled quantum spin Hall antidot embedded in a two-dimensional topological insulating bar. Helical edge states around the antidot and along the edges of the bar are tunnel coupled. The close connection between…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Giacomo Dolcetto , Fabio Cavaliere , Dario Ferraro , Maura Sassetti

An important goal of spintronics is to covert a charge current into a spin current with a controlled spin polarization that can exert torques on an adjacent magnetic layer. Here we demonstrate such torques in a two ferromagnet system. A…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Christopher Safranski , Jun-Wen Xu , Andrew D. Kent , Jonathan Z. Sun