English
Related papers

Related papers: Room-temperature spin-orbit torque in NiMnSb

200 papers

Spin-dependent transport phenomena due to relativistic spin-orbit coupling and broken space-inversion symmetry are often difficult to interpret microscopically, in particular when occurring at surfaces or interfaces. Here we present a…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 J. Železný , Z. Fang , K. Olejník , J. Patchett , F. Gerhard , C. Gould , L. W. Molenkamp , C. Gomez-Olivella , J. Zemen , T. Tichý , T. Jungwirth , C. Ciccarelli

Half-metallic Heusler alloys are attracting considerable attention because of their unique half-metallic band structures which exhibit high spin polarization and yield huge magnetoresistance ratios. Besides serving as ferromagnetic…

We report on a study of the temperature-dependence of current-induced effective magnetic fields due to spin-orbit interactions in the diluted ferromagnetic semiconductor (Ga,Mn)As. Contributions from the effective fields as well as from the…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 B. Howells , K. W. Edmonds , R. P. Campion , B. L. Gallagher

Intrinsic spin currents are encountered in noncentrosymmetric crystals without any external electric fields; these currents are caused by spin-orbit interaction. In this paper, various theoretical aspects of this phenomenon in bulk…

Materials Science · Physics 2024-11-11 Ilja Turek

Quantum materials with a large charge current-induced spin polarization are promising for next-generation all-electrical spintronic science and technology. Van der Waals metals with high spin-orbit coupling and novel spin textures have…

Mesoscale and Nanoscale Physics · Physics 2022-12-28 Anamul Md. Hoque , Bing Zhao , Dmitrii Khokhriakov , Prasanta Muduli , Saroj P. Dash1

We report current-induced spin torques in epitaxial NiMnSb films on a commercially available epi-ready GaAs substrate. The NiMnSb was grown by co-sputtering from three targets using optimised parameter. The films were processed into…

Half-metallic Heusler alloy compounds with Curie temperatures above room temperature are suitable candidate electrode materials for injecting large spin-polarised charge carriers into the semiconducting barriers at the ferromagnet…

Materials Science · Physics 2025-04-23 Aloka Ranjan Sahoo , Sharat Chandra

The manipulation of symmetry provides an effective way to tailor the physical orders in solid-state systems. With the breaking of both the inversion and time-reversal symmetries, non-reciprocal magneto-transport may emerge in assorted…

Mesoscale and Nanoscale Physics · Physics 2022-04-04 Lun Li , Yuyang Wu , Xiaoyang Liu , Hanzhi Ruan , Zhenghang Zhi , Jiuming Liu , Yong Zhang , Puyang Huang , Yuchen Ji , Chenjia Tang , Yumeng Yang , Renchao Che , Xufeng Kou

Considering metallic films at room temperature, we present the first theoretical study of the spin Nernst and thermal Edelstein effects which takes into account dynamical spin-orbit coupling, i.e., direct spin-orbit coupling with the…

Mesoscale and Nanoscale Physics · Physics 2014-12-17 Sebastian Tölle , Cosimo Gorini , Ulrich Eckern

Breaking of spatial inversion symmetry (SIS) induces unique phenomena in condensed matter. Besides the classic examples such as natural optical activity and piezoelectricity, the spin-orbit interaction further enriches the effect of SIS…

Materials Science · Physics 2020-04-09 Yuji Hirokane , Yoichi Nii , Hidetoshi Masuda , Yoshinori Onose

Magnetic devices are a leading contender for implementing memory and logic technologies that are nonvolatile, that can scale to high density and high speed, and that do not suffer wear-out. However, widespread applications of magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 A. R. Mellnik , J. S. Lee , A. Richardella , J. L. Grab , P. J. Mintun , M. H. Fischer , A. Vaezi , A. Manchon , E. -A. Kim , N. Samarth , D. C. Ralph

One of the main obstacles that prevents practical applications of antiferromagnets is the difficulty of manipulating the magnetic order parameter. Recently, following the theoretical prediction [J. \v{Z}elezn\'y et al., PRL 113, 157201…

Investigation of the electronic and spin structure in double perovskites is recently attracting significant attention, mainly driven by their unique multifunctional properties and other underlying charge and spin dynamics. Herein, using…

Materials Science · Physics 2023-07-18 R. Hissariya , R. Sharma , S. K. Mishra

The electron spin polarization on half-metallic double-perovskites is usually conditioned to the ordered rock-salt arrangement of the transition-metal ions along the lattice. In this work, we investigate a polycrystalline sample of the…

We describe how thermally induced spin fluctuations modify the electronic structures of two prototypical altermagnets, CrSb and MnTe, via application of the disordered local moment picture. For both materials, our self-consistent, ab initio…

Materials Science · Physics 2026-03-17 Christopher D. Woodgate , Nabil Menai , Arthur Ernst , Julie B. Staunton

A variable temperature neutron and synchrotron diffraction study have been performed on the giant magnetoresistant oxypnictides LnMnAsO (Ln = La, Nd). The low temperature magnetic structures have been studied and results show a spin…

Strongly Correlated Electrons · Physics 2012-07-05 N. Emery , E. J. Wildman , J. M. S. Skakle , R. I. Smith , A. N. Fitch , A. C. Mclaughlin

MnSiN$_2$ is a transition metal nitride with Mn and Si ions displaying an ordered distribution on the cation sites of a distorted wurtzite-derived structure. The Mn$^{2+}$ ions reside on a 3D diamond-like covalent network with strong…

Electrical switching and readout of antiferromagnets allows to exploit the unique properties of antiferromagnetic materials in nanoscopic electronic devices. Here we report experiments on the spin-orbit torque induced electrical switching…

Materials Science · Physics 2020-03-25 Mareike Dunz , Tristan Matalla-Wagner , Markus Meinert

The use of current-generated spin-orbit torques[1] to drive magnetization dynamics is under investigation to enable a new generation of non-volatile, low-power magnetic memory. Previous research has focused on spin-orbit torques generated…

Spin-orbit coupling stands as a powerful tool to interconvert charge and spin currents and to manipulate the magnetization of magnetic materials through the spin torque phenomena. However, despite the diversity of existing bulk materials…

‹ Prev 1 2 3 10 Next ›