Asymmetric Spin-wave Dispersion on Fe(110): Direct Evidence of Dzyaloshinskii--Moriya Interaction
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2017
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| _version_ | 1866929358540636160 |
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| author | Zakeri, Kh. Zhang, Y. Prokop, J. Chuang, T. -H. Sakr, N. Tang, W. X. Kirschner, J. |
| author_facet | Zakeri, Kh. Zhang, Y. Prokop, J. Chuang, T. -H. Sakr, N. Tang, W. X. Kirschner, J. |
| contents | The influence of the Dzyaloshinskii-Moriya interaction on the spin-wave dispersion in an Fe double layer grown on W(110) is measured for the first time. It is demonstrated that the Dzyaloshinskii-Moriya interaction breaks the degeneracy of spin waves and leads to an asymmetric spin-wave dispersion relation. An extended Heisenberg spin Hamiltonian is employed to obtain the longitudinal component of the Dzyaloshinskii-Moriya vectors from the experimentally measured energy asymmetry. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_1701_05854 |
| institution | arXiv |
| publishDate | 2017 |
| record_format | arxiv |
| spellingShingle | Asymmetric Spin-wave Dispersion on Fe(110): Direct Evidence of Dzyaloshinskii--Moriya Interaction Zakeri, Kh. Zhang, Y. Prokop, J. Chuang, T. -H. Sakr, N. Tang, W. X. Kirschner, J. Materials Science Other Condensed Matter The influence of the Dzyaloshinskii-Moriya interaction on the spin-wave dispersion in an Fe double layer grown on W(110) is measured for the first time. It is demonstrated that the Dzyaloshinskii-Moriya interaction breaks the degeneracy of spin waves and leads to an asymmetric spin-wave dispersion relation. An extended Heisenberg spin Hamiltonian is employed to obtain the longitudinal component of the Dzyaloshinskii-Moriya vectors from the experimentally measured energy asymmetry. |
| title | Asymmetric Spin-wave Dispersion on Fe(110): Direct Evidence of Dzyaloshinskii--Moriya Interaction |
| topic | Materials Science Other Condensed Matter |
| url | https://arxiv.org/abs/1701.05854 |