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The direct electrical method was used to study the behavior of the spin Hall effect in a magnetic field perpendicular to the injection current in aluminum samples with resistivities that differed by two orders of magnitude at a temperature…

Mesoscale and Nanoscale Physics · Physics 2023-12-15 Yu. N. Chiang , M. O. Dzyuba

Spin torque oscillators placed onto a nonmagnetic heavy metal show synchronized auto-oscillations due to the coupling originating from spin Hall magnetoresistance effect. Here, we study a system having two spin torque oscillators under the…

Mesoscale and Nanoscale Physics · Physics 2017-10-26 Tomohiro Taniguchi

The anomalous Hall effect, observed in conducting ferromagnets with broken time-reversal symmetry, offers the possibility to couple spin and orbital degrees of freedom of electrons in ferromagnets. In addition to charge, the anomalous Hall…

Materials Science · Physics 2018-07-04 Yumeng Yang , Ziyan Luo , Haijun Wu , Yanjun Xu , Run-Wei Li , Stephen J. Pennycook , Shufeng Zhang , Yihong Wu

The polarization of the spin current pumped by a precessing ferromagnet into an adjacent normal metal has a constant component parallel to the precession axis and a rotating one normal to the magnetization. The former component is now…

Mesoscale and Nanoscale Physics · Physics 2012-10-03 HuJun Jiao , Gerrit E. W. Bauer

The implications of the spin exciton mechanism are exposed in the context of a Spin Density Wave (SDW) instability occurring inside the superconducting phase of a layered heavy electron compound. In this model a magnetic field serves as a…

Superconductivity · Physics 2015-05-27 V. P. Michal , V. P. Mineev

Transport and local spectroscopy measurements have revealed that monolayers of tungsten ditelluride ($1T'$-WTe$_2$) display a quantum spin Hall effect and an excitonic gap at neutrality, besides becoming superconducting at low electron…

Strongly Correlated Electrons · Physics 2025-10-08 Guillermo Parra-Martínez , Daniel Muñoz-Segovia , Héctor Ochoa , Jose Angel Silva-Guillén

Theoretically, we study the dynamics of a current induced domain wall in the bi-layer structure consists of a ferromagnetic layer and a non-magnetic metal layer with strong spin-orbit coupling in the presence of spin-Hall effect. The…

Materials Science · Physics 2015-05-21 R. Arun , P. Sabareesan , M. Daniel

Theoretical calculations predict the dissipationless circulating current induced by a spin defect in a two-dimensional electron gas with spin-orbit coupling. The shape and spatial extent of these dissipationless circulating currents depend…

Mesoscale and Nanoscale Physics · Physics 2021-11-15 Adonai R. da Cruz , Michael E. Flatté

A useful experimental signature of the ordinary spin Hall effect is the spin accumulation it produces at the sample edges. The superspin Hall current [Phys. Rev. B 96, 094512 (2017)] is a transverse equilibrium spin current which is induced…

Superconductivity · Physics 2019-05-15 Vetle Risinggård , Jacob Linder

The two-dimensional character and reduced screening in monolayer transition-metal dichalcogenides (TMDs) lead to the ubiquitous formation of robust excitons with binding energies orders of magnitude larger than in bulk semiconductors.…

Materials Science · Physics 2017-09-26 Benedikt Scharf , Gaofeng Xu , Alex Matos-Abiague , Igor Žutić

We study the spin-dependent transmission through interfaces between a HgTe/CdTe quantum well (QW) and a metal - both for the normal metal and the superconducting case. Interestingly, we discover a new type of spin Hall effect at these…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 M. Guigou , P. Recher , J. Cayssol , B. Trauzettel

Coupling between conduction electrons and localized magnetization is responsible for a variety of phenomena in spintronic devices. This coupling enables to generate spin currents from dynamical magnetization. Due to the nonlinearity of…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Takaharu Tashiro , Saki Matsuura , Akiyo Nomura , Shun Watanabe , Keehoon Kang , Henning Sirringhaus , Kazuya Ando

Altermagnets, a recently identified class of magnetic materials, possess a spin-split Fermi surface that results in the so-called spin splitter effect, enabling the generation of a spin current transverse to the injection direction and…

Mesoscale and Nanoscale Physics · Physics 2025-04-17 Konstantinos Sourounis , Aurélien Manchon

We study the effect of non-homogeneous out-of-plane magnetic field on the behaviour of 2D spatially indirect excitons. Due to the difference of magnetic field acting on electrons and holes the total Lorentz force affecting the center of…

Mesoscale and Nanoscale Physics · Physics 2013-02-08 K. B. Arnardottir , O. Kyriienko , I. A. Shelykh

Electrical generation and detection of pure spin currents without the need of magnetic materials are key elements for the realization of full electrically controlled spintronic devices. In this framework, achieving a large spin-to-charge…

Mesoscale and Nanoscale Physics · Physics 2017-11-23 Wenjing Yan , Edurne Sagasta , Mário Ribeiro , Yasuhiro Niimi , Luis E. Hueso , Fèlix Casanova

An intriguing property of three-dimensional (3D) topological insulator (TI) is the existence of surface states with spin-momentum locking, which offers a new frontier of exploration in spintronics. Here, we report the observation of a new…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Pan He , Steven S. -L. Zhang , Dapeng Zhu , Shuyuan Shi , Olle G. Heinonen , Giovanni Vignale , Hyunsoo Yang

Magnetic materials exhibiting topological Dirac fermions are attracting significant attention for their promising technological potential in spintronics. In these systems, the combined effect of the spin-orbit coupling and magnetic order…

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

We study the dynamics of spin valves consisting of two layers of magnetic insulators separated by a normal metal in the macrospin model. A current through the spacer generates a spin Hall current that can actuate the magnetization via the…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 Hans Skarsvåg , Gerrit E. W. Bauer , Arne Brataas

We review the recently discovered spin Hall magnetoresistance (SMR) and related effects from a theoretical point of view. The SMR is observed in bilayers of a magnetic insulator and a metal, in which spin currents aregenerated in the normal…