English
Related papers

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

200 papers

We report a systematic study of current-induced perpendicular magnetization switching in W/Co$_{x}$Tb$_{1-x}$/Al thin films with strong perpendicular magnetic anisotropy. Various Co$_{x}$Tb$_{1-x}$ ferrimagnetic alloys with different…

Spin density waves, based on modulated local moments, are usually associated with metallic materials, but have recently been reported in insulators which display coupled magnetic and structural order parameters. We discuss one such example,…

Materials Science · Physics 2020-07-30 N. Giles-Donovan , N. Qureshi , R. D. Johnson , L. Y. Zhang , S. -W. Cheong , S. Cochran , C. Stock

The electrical and thermo-electrical transport effects of the TaAs$_2$ semimetal were measured in a magnetic field applied along [-2 0 1] direction. The resulting field dependences of the resistivity as well as the Hall, Seebeck and Nernst…

The spin-Hall effect describes the interconversion of charge currents and spin currents, enabling highly efficient manipulation of magnetization for spintronics. Symmetry conditions generally restrict polarizations of these spin currents to…

Reversible spin Hall effect comprising the "direct" and "inverse" spin Hall effects was successfully detected at room temperature. This experimental demonstration proves the fundamental relations called Onsager reciprocal relations between…

Materials Science · Physics 2015-06-25 T. Kimura , Y. Otani , T. Sato , S. Takahashi , S. Maekawa

We report the low-temperature properties of phase-pure single crystals of the half-Heusler compound CuMnSb grown by means of optical float-zoning. The magnetization, specific heat, electrical resistivity, and Hall effect of our single…

Strongly Correlated Electrons · Physics 2018-05-30 A. Regnat , A. Bauer , A. Senyshyn , M. Meven , K. Hradil , P. Jorba , K. Nemkovski , B. Pedersen , R. Georgii , S. Gottlieb-Schönmeyer , C. Pfleiderer

Using state-of-the-art first-principles calculations we study the properties of the ferromagnetic Heusler compounds NiYSi where Y stands for V, Cr or Mn. NiCrSi and NiMnSi contrary to NiVSi are half-metallic at their equilibrium lattice…

Materials Science · Physics 2011-01-28 I. Galanakis , K. Ozdogan , E. Sasioglu

Coupled electron-nuclear spins represent a promising quantum system, where the optically induced electron spin polarization can be dynamically transferred to nuclear spins via the hyperfine interaction. Most experiments on dynamic nuclear…

Materials Science · Physics 2026-01-13 A. N. Anisimov , A. V. Poshakinskiy , G. V. Astakhov

We present dielectric, polarization, resistivity, specific heat, and magnetic susceptibility data on single crystals of the lacunar spinels GaNb4Se8 and GaTa4Se8, tetrahedral cluster-based materials with substantial spin-orbit coupling. We…

Strongly Correlated Electrons · Physics 2022-12-19 M. Winkler , L. Prodan , V. Tsurkan , P. Lunkenheimer , I. Kézsmárki

Transverse thermoelectric devices produce electric fields perpendicular to an incident heat flux. Classically, this process is driven by the Nernst effect in bulk solids, wherein a magnetic field generates a Lorentz force on thermally…

Materials Science · Physics 2017-01-04 Stephen R. Boona , Koen Vandaele , Isabel N. Boona , David W. McComb , Joseph P. Heremans

We employ the dynamical mean field approximation to perform a systematic study of magnetism in Ga_{1-x}Mn_xAs. Our model incorporates the effects of the strong spin-orbit coupling on the J=3/2 GaAs valence bands and of the exchange…

Strongly Correlated Electrons · Physics 2007-05-23 K. Aryanpour , J. Moreno , M. Jarrell , R. S. Fishman

Hyperpolarisation at room temperature is one of the most important research fields in order to improve liquid, gas or nanoparticle tracer for Magnetic Resonance Imaging (MRI) in medical applications. In this paper we utilize nuclear…

Mesoscale and Nanoscale Physics · Physics 2017-04-10 Ralf Wunderlich , Jonas Kohlrautz , Bernd Abel , Jürgen Haase , Jan Meijer

The interplay between half-metallic ferromagnetism and spin-orbit coupling within the inversion symmetry-broken structure of half Heuslers provides an ideal platform for various spintronics functionalities. Taking advantage of good lattice…

Optically addressable spins in widebandgap semiconductors have become one of the most prominent platforms for exploring fundamental quantum phenomena. While several candidates in 3D crystals including diamond and silicon carbide have been…

The recent discovery of magnetic ordering in two-dimension has lead to colossal efforts to find atomically thin materials that order at high temperatures. However, due to fundamental spin fluctuation in reduced dimension, the…

Strongly Correlated Electrons · Physics 2023-05-02 Chandan K. Singh , Mukul Kabir

Nonreciprocal charge transport in solids, where resistance is different between rightward and leftward currents, is a key function of rectifying devices in the modern electronics, as exemplified by $p$-$n$ semiconductor junctions. Recently,…

Strongly Correlated Electrons · Physics 2025-01-14 M. Kondo , M. Kimata , M. Ochi , T. Kaneko , K. Kuroki , K. Sudo , S. Sakaguchi , H. Murakawa , N. Hanasaki , H. Sakai

First-principles studies were performed on two Mn-based ferrimagnetic Heusler compounds with L21 and B2 structures, that is, Mn2VZ (Z = Al or Ga). The aim was to investigate their magnetic properties, electronic structures, and…

Materials Science · Physics 2025-12-23 Shogo Yamashita , Esita Pandey , Gerhard H. Fecher , Claudia Felser , Atsufumi Hirohata

Symmetry plays a fundamental role in condensed matter. The unique entanglement between magnetic sublattices and alternating crystal environment in altermagnets provides a unique opportunity for designing magnetic space symmetry. There have…

Materials Science · Physics 2024-03-13 Zhiyuan Zhou , Xingkai Cheng , Mengli Hu , Junwei Liu , Feng Pan , Cheng Song

Epitaxial films including bulk-like cubic and wurtzite polymorphs of MnSb have been grown by molecular beam epitaxy on GaAs via careful control of the Sb4/Mn flux ratio. Nonzero-temperature density functional theory was used to predict ab…

We propose a strategy to obtain conducting organic materials with fully spin-polarized Fermi surface, lying at a singular flat band, with antiferromagnetically coupled magnetic moments that reside in pi-orbitals of nanographenes. We…

Mesoscale and Nanoscale Physics · Physics 2026-04-17 J. Phillips , J. C. G. Henriques , J. Fernández-Rossier , A. T. Costa