Layered CrGe1-xSe3+y with Cr Kagome Lattice and Antiferromagnetic Ordering
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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_ | 1866911362459893760 |
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| author | Philbrick, Jeremy G. Wang, Chaoguo Gui, Xin Kong, Tai |
| author_facet | Philbrick, Jeremy G. Wang, Chaoguo Gui, Xin Kong, Tai |
| contents | We report the synthesis and properties of a new layered material, CrGe1-xSe3+y. The crystal structure was determined by using single crystal x-ray diffraction and transmission electron microscopy. CrGe1-xSe3+y crystallizes with a space group R-3m, featuring a double Kagome layer of chromium atoms, sandwiched between disordered Ge-Se layers. This compound displays antiferromagnetic order below 50 K, unlike the ferromagnetic behavior in CrGeTe3. Chromium displays an effective moment of ~3.9 μB/Cr, consistent with Cr3+ oxidation. The presence of this phase limits the possibility of a ferromagnetic CrGeSe3 analogous to CrGeTe3. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_05360 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Layered CrGe1-xSe3+y with Cr Kagome Lattice and Antiferromagnetic Ordering Philbrick, Jeremy G. Wang, Chaoguo Gui, Xin Kong, Tai Materials Science We report the synthesis and properties of a new layered material, CrGe1-xSe3+y. The crystal structure was determined by using single crystal x-ray diffraction and transmission electron microscopy. CrGe1-xSe3+y crystallizes with a space group R-3m, featuring a double Kagome layer of chromium atoms, sandwiched between disordered Ge-Se layers. This compound displays antiferromagnetic order below 50 K, unlike the ferromagnetic behavior in CrGeTe3. Chromium displays an effective moment of ~3.9 μB/Cr, consistent with Cr3+ oxidation. The presence of this phase limits the possibility of a ferromagnetic CrGeSe3 analogous to CrGeTe3. |
| title | Layered CrGe1-xSe3+y with Cr Kagome Lattice and Antiferromagnetic Ordering |
| topic | Materials Science |
| url | https://arxiv.org/abs/2601.05360 |