Magnetic damping modulation in $IrM{n}_3/N{i}_{80}F{e}_{20}$ via the magnetic spin Hall effect

Abstract

Non-collinear antiferromagnets can have additional spin Hall effects due to the net chirality of their magnetic spin structure, which provides for more complex spin-transport phenomena compared to ordinary non-magnetic materials. Here we investigated how ferromagnetic resonance of permalloy ($N{i}_{80}F{e}_{20}$) is modulated by spin Hall effects in adjacent epitaxial $IrM{n}_3$ films. We observe a large dc modulation of the ferromagnetic resonance linewidth for currents applied along the [001] $IrM{n}_3$ direction. This very strong angular dependence of spin-orbit torques from dc currents through the bilayers can be explained by the magnetic spin Hall effect where $IrM{n}_3$ provides novel pathways for modulating magnetization dynamics electrically.

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• Spin pumping and inverse spin Hall effect in CoFeB/IrMn heterostructures
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• Exchange-driven spin Hall effect in anisotropic ferromagnets
• Analyzing the magnetic influence on magneto-optical interactions
• Experimental Observation of a Magnetic Interfacial Effect
• Observation of unconventional spin polarization induced spin orbit torque in L1${}_2$-ordered antiferromagnetic Mn${}_3$Pt thin films
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• Ultrafast spin-to-charge conversions of antiferromagnetic (111)-oriented $\mathrm{L}{1}_2$-$\mathrm{M}{\mathrm{n}}_3\mathrm{Ir}$
• Topological Aspects of Antiferromagnets
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