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Showing 1–5 of 5 results
Advanced filters: Author: Chi-Feng Pai Clear advanced filters

  • Spin-current-induced magnetization reversal of a perpendicularly magnetized thulium iron garnet film is reported. The spin current is driven by the current flowing through a Pt overlayer.

    • Can Onur Avci
    • Andy Quindeau
    • Geoffrey S. D. Beach
    Research
    Nature Materials
    Volume: 16, P: 309-314

  • Magnetization in magnetoresistive memory devices can be controlled at room temperature by spin–orbit torques originating from the surface states of topological insulators.

    • Chi-Feng Pai
    News & Views
    Nature Materials
    Volume: 17, P: 755-757

  • This study explores a novel approach to achieve field-free current-driven spin–orbit torque switching of perpendicular magnetization for MRAM applications. By adjusting growth protocols in Pt-based magnetic heterostructures, a previously overlooked laterally tilted texture and magnetic anisotropy are harnessed. These findings allow deterministic switching of perpendicular magnetization without an external magnetic field. Contrary to conventional assumptions, the observed nonlinear dependence on current density resembles a damping-like torque, challenging previous notions about its origin.

    • Chen-Yu Hu
    • Wei-De Chen
    • Chi-Feng Pai
    ResearchOpen Access
    NPG Asia Materials
    Volume: 16, P: 1-10