PtBi alloys with a few percent Bi show a threefold larger spin Hall efficiency than pure Pt and 32-42% lower threshold current in spin Hall nano-oscillators.
Perpendicular switching of a single ferromagnetic layer induced by in-plane current injection.Nature, 476(7359):189–193, 2011
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Bulk spin-orbit torque-driven spin Hall nano-oscillators using PtBi alloys
PtBi alloys with a few percent Bi show a threefold larger spin Hall efficiency than pure Pt and 32-42% lower threshold current in spin Hall nano-oscillators.