Ferroelectric control of antiferromagnetism via coordination swapping in A2Mo3O8 (A= Mn, Fe, Co)
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866913740868288512 |
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| author | Gao, Yaxin Li, Sha Wu, Menghao |
| author_facet | Gao, Yaxin Li, Sha Wu, Menghao |
| contents | Transition metal molybdenum oxides A2Mo3O8 (A= Mn, Fe, Co) are known to be polar magnets where A ions are located in either octahedrally or tetrahedrally coordinated sites. In this paper we predict that their polarizations can be reversed via swapping of two coordinations for A ions, giving rise to robust vertical ferroelectricity. Such unique ferroelectricity via coordination swapping can be used to control the Neel vector in altermagnetic Fe2Mo3O8, while the large non-relativistic spin-splittings can be also altered by ferroelectric switching in Luttinger compensated magnetic Mn2Mo3O8, both in the absence of net magnetization. However, their ultra-thin layers may possess net magnetizations that can be reversed upon ferroelectric switching. Our findings provide a new type of multiferroicity as well as a new avenue in control of antiferromagnetic spintronics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_13218 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Ferroelectric control of antiferromagnetism via coordination swapping in A2Mo3O8 (A= Mn, Fe, Co) Gao, Yaxin Li, Sha Wu, Menghao Materials Science Transition metal molybdenum oxides A2Mo3O8 (A= Mn, Fe, Co) are known to be polar magnets where A ions are located in either octahedrally or tetrahedrally coordinated sites. In this paper we predict that their polarizations can be reversed via swapping of two coordinations for A ions, giving rise to robust vertical ferroelectricity. Such unique ferroelectricity via coordination swapping can be used to control the Neel vector in altermagnetic Fe2Mo3O8, while the large non-relativistic spin-splittings can be also altered by ferroelectric switching in Luttinger compensated magnetic Mn2Mo3O8, both in the absence of net magnetization. However, their ultra-thin layers may possess net magnetizations that can be reversed upon ferroelectric switching. Our findings provide a new type of multiferroicity as well as a new avenue in control of antiferromagnetic spintronics. |
| title | Ferroelectric control of antiferromagnetism via coordination swapping in A2Mo3O8 (A= Mn, Fe, Co) |
| topic | Materials Science |
| url | https://arxiv.org/abs/2503.13218 |