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| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2409.12501 |
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| _version_ | 1866910612178599936 |
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| author | Xu, Hongyue Jiang, Nan Chen, Haoran Chen, Yi Wu, Tong Cui, Yongwei Wu, Yunzhuo Sheng, Zhiyuan Sun, Zeyuan Xu, Jia Mi, Qixi Wu, Shiwei Yu, Weichao Wu, Yizheng |
| author_facet | Xu, Hongyue Jiang, Nan Chen, Haoran Chen, Yi Wu, Tong Cui, Yongwei Wu, Yunzhuo Sheng, Zhiyuan Sun, Zeyuan Xu, Jia Mi, Qixi Wu, Shiwei Yu, Weichao Wu, Yizheng |
| contents | Van der Waals (vdW) antiferromagnets are exceptional platforms for exploring the spin dynamics of antiferromagnetic materials owing to their weak interlayer exchange coupling. In this study, we examined the antiferromagnetic resonance spectra of anisotropic Van der Waals antiferromagnet CrSBr. In addition to the ordinary resonance modes, we observed a dipolar spin wave mode when the microwave field was oriented perpendicular to the in-plane easy axis of CrSBr. Furthermore, our results uncovered a pronounced dependency of various resonant modes on the orientation of the microwave field, which is pivotal for the accurate determination of exchange coupling constants. Numerical simulations have elucidated this orientation dependence of spin dynamics arises from the magnetostatic effect. This discovery underscores the previously underappreciated significance of dipolar interactions in shaping the dynamical properties of two-dimensional AFM materials, thereby enhancing our understanding of the intrinsic dynamic properties of vdW magnets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_12501 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Magnetostatic effect on spin dynamics properties in antiferromagnetic Van der Waals material CrSBr Xu, Hongyue Jiang, Nan Chen, Haoran Chen, Yi Wu, Tong Cui, Yongwei Wu, Yunzhuo Sheng, Zhiyuan Sun, Zeyuan Xu, Jia Mi, Qixi Wu, Shiwei Yu, Weichao Wu, Yizheng Materials Science Van der Waals (vdW) antiferromagnets are exceptional platforms for exploring the spin dynamics of antiferromagnetic materials owing to their weak interlayer exchange coupling. In this study, we examined the antiferromagnetic resonance spectra of anisotropic Van der Waals antiferromagnet CrSBr. In addition to the ordinary resonance modes, we observed a dipolar spin wave mode when the microwave field was oriented perpendicular to the in-plane easy axis of CrSBr. Furthermore, our results uncovered a pronounced dependency of various resonant modes on the orientation of the microwave field, which is pivotal for the accurate determination of exchange coupling constants. Numerical simulations have elucidated this orientation dependence of spin dynamics arises from the magnetostatic effect. This discovery underscores the previously underappreciated significance of dipolar interactions in shaping the dynamical properties of two-dimensional AFM materials, thereby enhancing our understanding of the intrinsic dynamic properties of vdW magnets. |
| title | Magnetostatic effect on spin dynamics properties in antiferromagnetic Van der Waals material CrSBr |
| topic | Materials Science |
| url | https://arxiv.org/abs/2409.12501 |