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This paper describes a numerical experiment of magnetization switching driven by spin-polarized current in high-TMR magnetic tunnel junctions (TMR>100%). Differently from other works, the current density distribution throughout the…

Other Condensed Matter · Physics 2015-05-13 D. Aurelio , L. Torres , G. Finocchio

Spin Hall magnetoresistance (SMR) measurements provide a way to probe the surface spin structure of insulating magnetic materials. Such measurements produce resistance signals of the form {$\Delta$}R {$\propto$}…

We present a comprehensive set of harmonic resistance measurements of the dampinglike (DL) and fieldlike (FL) torques in Pt/CoFeB, Pt/Co, W/CoFeB, W/Co, and YIG/Pt bilayers complemented by measurements of the DL torque using the…

Magnetic skyrmions are chiral spin textures that hold great promise as nanoscale information carriers. Since their first observation at room temperature, progress has been made in their current-induced manipulation, with fast motion…

We investigated the self-induced inverse spin Hall effect in ferromagnets. Temperature (T), thickness (t) and angular-dependent measurements of transverse voltage in spin pumping experiments were performed with permalloy films. Results…

Mesoscale and Nanoscale Physics · Physics 2019-11-07 O. Gladii , L. Frangou , A. Hallal , R. L. Seeger , P. Noel , G. Forestier , S. Auffret , M. Rubio-Roy , P. Warin , L. Vila , S. Wimmer , H. Ebert , S. Gambarelli , M. Chshiev , V. Baltz

The spin Hall magnetoresistance (SMR) allows to investigate the magnetic textures of magnetically ordered insulators in heterostructures with normal metals by magnetotransport experiments. We here report the observation of the SMR in…

Mesoscale and Nanoscale Physics · Physics 2021-05-17 Paul Rosenberger , Matthias Opel , Stephan Geprägs , Hans Huebl , Rudolf Gross , Martina Müller , Matthias Althammer

We study the flow of a pure spin current through zinc oxide by measuring the spin Hall magnetoresistance (SMR) in thin film trilayer samples consisting of bismuth-substituted yttrium iron garnet (Bi:YIG), gallium-doped zinc oxide (Ga:ZnO),…

We model the operation and readout sensitivity of two current-modulated magnetoplasmonic devices which exploit spin Hall effect-like behavior as a function of their device and material parameters. In both devices, current pulses are applied…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Mark E. Nowakowski

Skyrmions dynamics in the approximation of point-particle skyrmions is considered in the multiferroic insulators, where the spiral magnetic structure is accompanied by finite electric dipole moment. The skyrmion motion is studied in the…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Pavel A. Andreev , Mariya Iv. Trukhanova

We investigated spin Hall magnetoresistance in FeMn/Pt bilayers, which was found to be one order of magnitude larger than that of heavy metal and insulating ferromagnet or antiferromagnet bilayer systems, and comparable to that of NiFe/Pt…

Mesoscale and Nanoscale Physics · Physics 2016-10-13 Yumeng Yang , Yanjun Xu , Kui Yao , Yihong Wu

The effective field torque of an yttrium-iron-garnet film on the spin accumulation in an attached Pt film is measured by the spin-Hall magnetoresistance (SMR). As a result, the magnetization direction of a ferromagnetic insulating layer can…

Mesoscale and Nanoscale Physics · Physics 2014-10-03 N. Vlietstra , J. Shan , V. Castel , J. Ben Youssef , G. E. W. Bauer , B. J. van Wees

We predict that magnon motive force can lead to temperature dependent, nonlinear chiral damping in both conducting and insulating ferromagnets. We estimate that this damping can significantly influence the motion of skyrmions and domain…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 Utkan Güngördü , Alexey A. Kovalev

Magnetic bimeron composed of two merons is a topological counterpart of magnetic skyrmion in in-plane magnets, which can be used as the nonvolatile information carrier in spintronic devices. Here we analytically and numerically study the…

Mesoscale and Nanoscale Physics · Physics 2020-09-25 Laichuan Shen , Xiaoguang Li , Jing Xia , Lei Qiu , Xichao Zhang , Oleg A. Tretiakov , Motohiko Ezawa , Yan Zhou

Spin pumping is a mechanism that generates spin currents from ferromagnetic resonance (FMR) over macroscopic interfacial areas, thereby enabling sensitive detection of the inverse spin Hall effect that transforms spin into charge currents…

Other Condensed Matter · Physics 2015-05-20 O. Mosendz , V. Vlaminck , J. E. Pearson , F. Y. Fradin , G. E. W. Bauer , S. D. Bader , A. Hoffmann

The Doppler shift of the quasiparticle dispersion by charge currents is responsible for the critical supercurrents in superconductors and instabilities of the magnetic ground state of metallic ferromagnets. Here we predict an analogous…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Tao Yu , Chen Wang , Michael A. Sentef , Gerrit E. W. Bauer

Generating coherent magnon spin currents with the highest frequencies and shortest wavelengths is a key challenge in ultrafast spintronics and magnonics. A promising route is to excite counter-propagating magnon pairs. In antiferromagnets,…

Mesoscale and Nanoscale Physics · Physics 2025-07-25 Torstein Hegstad , Johan H. Mentink

Spin Hall effect plays an essential role in generating spin current from the injected charge current, following the Dyakonov-Perel rule that the directions of charge flow, spin flow and spin polarization are mutually perpendicular to each…

Materials Science · Physics 2019-11-06 Po-Hung Lin , Po-Wei Lee , Yu-Hsuan Lin , Bo-Yuan Yang , Vinod Kumar , Hsiu-Hau Lin , Chih-Huang Lai

We consider current-driven motion of magnetic skyrmions in granular magnetic films. The study uses micromagnetic modeling and phenomenological analysis based on the Thiele formalism. Remarkably, disorder enhances the effective skyrmion Hall…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 A. Salimath , A. Abbout , A. Brataas , A. Manchon

We report field- and current-induced domain wall (DW) depinning experiments in Ta/Co20Fe60B20/MgO nanowires through a Hall cross geometry. While purely field-induced depinning shows no angular dependence on in-plane fields, the effect of…

The discovery of the unusual magnetoresistance (UMR) during the rotation of magnetization in the plane perpendicular to the electric current, which has been typically attributed to magnetization-dependent interfacial reflection of spin…

Mesoscale and Nanoscale Physics · Physics 2025-06-23 Lijun Zhu , Qianbiao Liu , Xiangrong Wang