PtCr/NiFe heterostructures generate magnetic auto-oscillations at lower current than Pt/NiFe, and the torque enhancement is attributed to orbital Hall currents from chromium that platinum converts into spin currents.
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Spin-Orbital Hall Nano-Oscillators using PtCr/NiFe
PtCr/NiFe heterostructures generate magnetic auto-oscillations at lower current than Pt/NiFe, and the torque enhancement is attributed to orbital Hall currents from chromium that platinum converts into spin currents.