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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

The Hall effects comprise one of the oldest but most vital fields in condensed matter physics, and they persistently inspire new findings, such as quantum Hall effects and topological phases of matter. The recently discovered nonlinear Hall…

Mesoscale and Nanoscale Physics · Physics 2021-09-09 Z. Z. Du , Hai-Zhou Lu , X. C. Xie

We analyze the contribution of the inhomogeneous magnetic field induced by an electrical current to the spin Hall effect in metals. The Zeeman coupling between the field and the electron spin leads to a spin dependent force, and to spin…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 A. Hernando , F. Guinea , M. A. Garcia

It is proposed that when a charge current circulates in a paramagnetic metal a transverse spin imbalance will be generated, giving rise to a 'spin Hall voltage'. Similarly, that when a spin current circulates a transverse charge imbalance…

Strongly Correlated Electrons · Physics 2009-10-31 J. E. Hirsch

While tremendous work has gone into spin-orbit torque and spin current generation, charge-to-spin conversion efficiency remains weak in silicon to date, generally stemming from the low spin-orbit coupling (low atomic number, Z) and lack of…

Pure spin currents, i.e. the transport of angular momentum without an accompanying charge current, represent a new, promising avenue in modern spintronics from both a fundamental and an application point of view. Such pure spin currents can…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Matthias Althammer

Next generation magnetic memories rely on novel magnetic phases for information storage. Novel spin textures such as skyrmions provide one possible avenue forward due to their topological protection and controllability via electric fields.…

We carry out a throughout study of the topological Hall and topological spin Hall effects in disordered skyrmionic systems: the dimensionless (spin) Hall angles are evaluated across the energy band structure in the multiprobe…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 P. B. N'diaye , C. A. Akosa , A. Manchon

Nontrivial topology of interfaces separating anti-chiral phases in helical magnets result in new effects as they interact with spin polarized current. These interfces or vortex walls consist of a one dimensional array of vortex lines.…

Mesoscale and Nanoscale Physics · Physics 2015-03-31 Bahman Roostaei

The existence of conserved spin Hall currents is shown in a strongly correlated system without involving spin-orbit coupling. The spin Hall conductivity is determined by intrinsic bulk properties, which remains finite even when the charge…

Strongly Correlated Electrons · Physics 2007-05-23 Su-Peng Kou , Xiao-Liang Qi , Zheng-Yu Weng

The energy spectra of transition metal dichalcogenides are primarily influenced by the and orbitals. This results in a three-band model characterized by strong spin-orbit interaction. Investigating these bands using a projection into a…

Mesoscale and Nanoscale Physics · Physics 2023-11-22 Phusit Nualpijit , Kitakorn Jatiyanon , Bumned Soodchomshom

A nonequilibrium Green's function approach is employed to investigate the spin-Hall effect in diffusive two-dimensional electron systems with Rashba spin-orbit interaction. Considering a long-range electron-impurity scattering potential in…

Materials Science · Physics 2009-11-11 S. Y. Liu , X. L. Lei

In order to enhance the magnitude of spin-orbit torque (SOT), considerable experimental works have been devoted to studying the thickness dependence of the different layers in multilayers consisting of heavy metal (HM), ferromagnet (FM) and…

Applied Physics · Physics 2018-05-09 Chi Sun , Zhuo Bin Siu , Seng Ghee Tan , Hyunsoo Yang , Mansoor B. A. Jalil

We investigate the spin-Hall effect in a two-dimensional heavy-hole system with Rashba spin-orbit coupling using a nonequilibrium Green's function approach. Both the short- and long-range disorder scatterings are considered in the…

Materials Science · Physics 2009-11-11 S. Y. Liu , X. L. Lei

Identifying materials with an efficient spin-to-charge conversion is crucial for future spintronic applications. The spin Hall effect is a central mechanism as it allows for the interconversion of spin and charge currents. Spintronic…

Using circularly polarized light is an alternative to electronic ways for spin injection into materials. Spins are injected at a point of the light illumination, and then diffuse and spread radially due to the in-plane gradient of the spin…

Mesoscale and Nanoscale Physics · Physics 2020-04-29 Di Fan , Rei Hobara , Ryota Akiyama , Shuji Hasegawa

We present an extension of the relativistic electron transport theory for the standard (charge) conductivity tensor of random alloys within the tight-binding linear muffin-tin orbital method to the so-called spin-dependent conductivity…

Materials Science · Physics 2019-11-18 Ilja Turek , Josef Kudrnovsky , Vaclav Drchal

The second-harmonic Hall technique is a widely used, sensitive method for studying the spin-orbit torques generated by charge current. It exploits the dependence of the Hall resistance on the magnetization direction, although thermal…

Mesoscale and Nanoscale Physics · Physics 2026-04-29 Tamás Prok , Jan Hidding , Szabolcs Csonka , Péter Makk , Marcos H. D. Guimarães , Endre Tóvári

High density data storage and spin-logic devices require highly efficient all-electric control of spin moments. So far, charge-to-spin conversion through the spin Hall effect (SHE) highly limits to d-orbital materials associated with strong…

Materials Science · Physics 2025-10-28 Gen Li , Ying Zhang , Xiaoguang Xu , Lei Shen , Zheng Feng , Kangkang Meng , Ang Li , Lu Cheng , Kang He , Wei Tan , Yong Wu , Yihong Wu , Yong Jiang

We describe a new effect in semiconductor spintronics that leads to dissipationless spin-currents in paramagnetic spin-orbit coupled systems. We argue that in a high mobility two-dimensional electron system with substantial Rashba…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Jairo Sinova , Dimitrie Culcer , Q. Niu , N. A. Sinitsyn , T. Jungwirth , A. H. MacDonald
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