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.
Switching of perpen- dicular magnetization by spin–orbit torques in the absence of external magnetic fields
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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.