An altermagnetic materials library in intercalated transition-metal dichalcogenides
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866909982142758912 |
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| author | Day-Roberts, Ezra Wu, Huan Erten, Onur Botana, A. S |
| author_facet | Day-Roberts, Ezra Wu, Huan Erten, Onur Botana, A. S |
| contents | Altermagnets represent a promising class of magnetic materials owing to their distinctive spin-split band structures in the absence of net magnetization. Here, we present a first-principles investigation of altermagnetism in magnetically intercalated transition metal dichalcogenides (TMDs) with the general formula T$_y$MX$_2$ (T= 3$d$-transition metal, M= transition-metal, X=chalcogen, $y$= 1/3 or 1/4). For a TMD host with 2H structure, compounds exhibiting A-type antiferromagnetism are $g$-wave altermagnets by symmetry. We identify several intercalated TMDs fulfilling the conditions for altermagnetic order to be realized. Several of these candidate materials display spin-splittings at the Fermi level as large as 100 meV. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_02481 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | An altermagnetic materials library in intercalated transition-metal dichalcogenides Day-Roberts, Ezra Wu, Huan Erten, Onur Botana, A. S Materials Science Altermagnets represent a promising class of magnetic materials owing to their distinctive spin-split band structures in the absence of net magnetization. Here, we present a first-principles investigation of altermagnetism in magnetically intercalated transition metal dichalcogenides (TMDs) with the general formula T$_y$MX$_2$ (T= 3$d$-transition metal, M= transition-metal, X=chalcogen, $y$= 1/3 or 1/4). For a TMD host with 2H structure, compounds exhibiting A-type antiferromagnetism are $g$-wave altermagnets by symmetry. We identify several intercalated TMDs fulfilling the conditions for altermagnetic order to be realized. Several of these candidate materials display spin-splittings at the Fermi level as large as 100 meV. |
| title | An altermagnetic materials library in intercalated transition-metal dichalcogenides |
| topic | Materials Science |
| url | https://arxiv.org/abs/2601.02481 |