Spin wave theory for the triaxial magnetic anisotropy 2D van der Waals antiferromagnet CrSBr
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866911196092825600 |
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| author | Rezende, Sergio M. Freelon, Byron Rodríguez-Suárez, Roberto L. |
| author_facet | Rezende, Sergio M. Freelon, Byron Rodríguez-Suárez, Roberto L. |
| contents | 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, that exhibits antiferromagnetic (AF) order at low temperatures due to an interlayer AF exchange interaction. Here we present a full quantum spin-wave theory for CrSBr considering three intralayer and one interlayer exchange interactions, and triaxial magnetic anisotropy. The fits of the theoretical results to antiferromagnetic resonance (AFMR) measurements and inelastic neutron scattering data yield reliable values for the seven interaction parameters that can be used to calculate other properties of this interesting material. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_06006 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spin wave theory for the triaxial magnetic anisotropy 2D van der Waals antiferromagnet CrSBr Rezende, Sergio M. Freelon, Byron Rodríguez-Suárez, Roberto L. Materials Science 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, that exhibits antiferromagnetic (AF) order at low temperatures due to an interlayer AF exchange interaction. Here we present a full quantum spin-wave theory for CrSBr considering three intralayer and one interlayer exchange interactions, and triaxial magnetic anisotropy. The fits of the theoretical results to antiferromagnetic resonance (AFMR) measurements and inelastic neutron scattering data yield reliable values for the seven interaction parameters that can be used to calculate other properties of this interesting material. |
| title | Spin wave theory for the triaxial magnetic anisotropy 2D van der Waals antiferromagnet CrSBr |
| topic | Materials Science |
| url | https://arxiv.org/abs/2510.06006 |