Observation of unexpected band splitting and magnetically-induced band structure reconstruction in TbTi$_3$Bi$_4$
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arXiv
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| Autores principales: | , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
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| _version_ | 1866918160395927552 |
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| author | Kushnirenko, Yevhen Wang, Lin-Lin Su, Xiaoyi Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Canfield, P. C. Kaminski, Adam |
| author_facet | Kushnirenko, Yevhen Wang, Lin-Lin Su, Xiaoyi Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Canfield, P. C. Kaminski, Adam |
| contents | The magnetic Kagome materials are a promising platform to study the interplay between magnetism, topology, and correlated electronic phenomena. Among these materials, the RTi3Bi4 family received a great deal of attention recently because of its chemical versatility and wide range of magnetic properties. Here, we use angle-resolved photoemission spectroscopy measurements and density functional theory calculations to investigate the electronic structure of TbTi3Bi4 in paramagnetic and antiferromagnetic phases. Our experimental results show the presence of unidirectional band splitting of unknown nature in both phases. In addition, we observed a complex reconstruction of the band structure in the antiferromagnetic phase. Some aspects of this reconstruction are consistent with effects of additional periodicity introduced by the magnetic ordering vector, while the nature of several other features remains unknown. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_10817 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Observation of unexpected band splitting and magnetically-induced band structure reconstruction in TbTi$_3$Bi$_4$ Kushnirenko, Yevhen Wang, Lin-Lin Su, Xiaoyi Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Canfield, P. C. Kaminski, Adam Strongly Correlated Electrons Materials Science The magnetic Kagome materials are a promising platform to study the interplay between magnetism, topology, and correlated electronic phenomena. Among these materials, the RTi3Bi4 family received a great deal of attention recently because of its chemical versatility and wide range of magnetic properties. Here, we use angle-resolved photoemission spectroscopy measurements and density functional theory calculations to investigate the electronic structure of TbTi3Bi4 in paramagnetic and antiferromagnetic phases. Our experimental results show the presence of unidirectional band splitting of unknown nature in both phases. In addition, we observed a complex reconstruction of the band structure in the antiferromagnetic phase. Some aspects of this reconstruction are consistent with effects of additional periodicity introduced by the magnetic ordering vector, while the nature of several other features remains unknown. |
| title | Observation of unexpected band splitting and magnetically-induced band structure reconstruction in TbTi$_3$Bi$_4$ |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2505.10817 |