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Showing 1–3 of 3 results
Advanced filters: Author: Tenghua Gao Clear advanced filters
  • Many proposed spintronic devices, where spin, rather than charge is used for information processing, rely on the combination of multiple materials, for example, heavy metals and magnetic materials in spin-orbit torque devices. Here, Gao et al. show how the interface between a ferromagnet and a semimetal, Ni81Fe19/Bi0.1Sb0.9, can result in a barrier-mediated spin-orbit torques

    • Tenghua Gao
    • Alireza Qaiumzadeh
    • Kazuya Ando
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9
  • Manipulation of the electron’s orbital contribution to transport experiments is important for potential orbitronics device applications. Now the long-range dynamic orbital response is shown to be controlled by the arrangement of atoms in ferromagnets.

    • Tenghua Gao
    • Philipp Rüßmann
    • Kazuya Ando
    Research
    Nature Physics
    Volume: 20, P: 1896-1903
  • The generation of spin-current is integral for the successful development of spintronic devices however the orbital counterpart is also expected to be potentially advantageous. Here, using Ni/Ti bilayers, in combination with tight binding calculations, the authors investigate the spin torque efficiency that occurs as a result of the orbital Hall effect, observing that orbital currents can propagate over longer distances than the spin currents.

    • Hiroki Hayashi
    • Daegeun Jo
    • Kazuya Ando
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-9