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Large Spin Hall Angle and Spin-Mixing Conductance in the Highly Resistive Antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:msub><mml:mi>Mn</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>Au</mml:mi></mml:math>
Antiferromagnetic materials (AFMs) have recently been attracting interest in research on spintronics due to their zero stray magnetic field, high anisotropy, and spin-orbit coupling. In this context, the bimetallic AFM ${\mathrm{Mn}}_{2}\mathrm{Au}$ has drawn attention because it exhibits unique properties and its N\'eel temperature is very high (${T}_{N}=1500\phantom{\rule{0.2em}{0ex}}\mathrm{K}$). Here, we report …