Acousto-magnonic spin Hall effect in honeycomb antiferromagnets

Abstract

The recently discovered van der Waals antiferromagnets have suffered from the lack of a comprehensive method to study their magnetic properties. Here, we propose a dissipationless magnon spin Hall current driven by surface acoustic waves as a novel probe for such antiferromagnets. Our results pave the way towards mechanical detection and manipulation of the magnetic order in two-dimensional antiferromagnets. Furthermore, they will overcome the difficulties with weak magnetic responses inherent in the use of antiferromagnets and hence provide a building block for future antiferromagnetic spintronics.

9 pages, 4 figures, 1 table, and the Supplemental Materials

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Cited by in corpus (6)

• Magnon Nonlinear Hall Effect in 2D Antiferromagnetic Insulators
• Quantum Nonlinear Acoustic Hall Effect and Inverse Acoustic Faraday Effect in Dirac Insulators
• Anomalous frequency scaling of acoustic phonon damping in nickel cavities fabricated by ps-laser delamination
• Transport of Dirac magnons driven by gauge fields
• Surface acoustic wave-driven valley current generation in intervalley coherent states
• Surface acoustic wave driven acoustic spin splitter in d-wave altermagnetic thin films