Spin wave theory for the triaxial magnetic anisotropy 2D van der Waals antiferromagnet CrSBr
Source abstract
Abstract
The magnetic properties of two-dimensional (2D) materials have been attracting increasing attention in recent years due to their unique behavior and possible applications in new devices. One material of great interest is the 2D van der Waals (vdW) crystal CrSBr, which exhibits antiferromagnetic (AF) order at low temperatures due to an interlayer AF exchange interaction. Here, we present a full quantum spin-wave theory for vdW crystals considering one interlayer and three intralayer exchange interactions, and triaxial magnetic anisotropy. The fits of the theoretical results to antiferromagnetic resonance measurements and inelastic neutron scattering data in CrSBr yield reliable values for the seven interaction parameters that can be used to calculate other properties of this interesting material.
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Research context
OpenAlex topics: 2D Materials and Applications · Graphene research and applications · Topological Materials and Phenomena
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Departamento de Física, Universidade Federal de Pernambuco 1 , 50670-901 Recife, Pernambuco,
Physics Department and Texas Center for Superconductivity, University of Houston 2 , Houston, Texas 77204,
Facultad de Física, Pontificia Universidad Católica de Chile 3 , Casilla 306 Santiago,
Funding
Conselho Nacional de Desenvolvimento Científico e Tecnológico · U.S. Department of Energy · U.S. Air Force · Fondo Nacional de Desarrollo Científico, Tecnológico · FONDEQUIP
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