Acoustomagnonic Spin Hall Effect in Honeycomb Antiferromagnets
Ryotaro Sano, Yuya Ominato, Mamoru Matsuo
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 an ac intrinsic 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.
Topics & Concepts
SpintronicsCondensed matter physicsMagnonAntiferromagnetismSpin (aerodynamics)PhysicsSpin currentvan der Waals forceSpin waveSpin Hall effectBlock (permutation group theory)HoneycombFerromagnetismMagnetic fieldSpin polarizationMaterials scienceQuantum mechanicsMagnetizationElectronThermodynamicsMathematicsMoleculeGeometryComposite materialTopological Materials and PhenomenaMagnetic properties of thin filmsAdvanced Condensed Matter Physics