Adding sub-monolayer titanium layers to platinum raises the spin-orbit torque efficiency to about 0.35 with only 90 μΩ cm resistivity, limited by a tradeoff between spin Hall conductivity and carrier lifetime.
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Maximizing the spin-orbit torque efficiency of Pt/Ti multilayers by optimization of the tradeoff between the intrinsic spin Hall conductivity and carrier lifetime
Adding sub-monolayer titanium layers to platinum raises the spin-orbit torque efficiency to about 0.35 with only 90 μΩ cm resistivity, limited by a tradeoff between spin Hall conductivity and carrier lifetime.