Electronic Structure of a Nodal Line Semimetal Candidate TbSbTe
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| author | Elius, Iftakhar Bin Casey, Jacob F Regmi, Sabin Buturlim, Volodymyr Sakhya, Anup Pradhan Sprague, Milo Mondal, Mazharul Islam Valadez, Nathan Kumay, Arun K Scrivens, Justin Venkateswara, Yenugonda Dan, Shovan Romanova, Tetiana Pathak, Arjun K Gofryk, Krzysztof Ptok, Andrzej Kaczorowski, Dariusz Neupane, Madhab |
| author_facet | Elius, Iftakhar Bin Casey, Jacob F Regmi, Sabin Buturlim, Volodymyr Sakhya, Anup Pradhan Sprague, Milo Mondal, Mazharul Islam Valadez, Nathan Kumay, Arun K Scrivens, Justin Venkateswara, Yenugonda Dan, Shovan Romanova, Tetiana Pathak, Arjun K Gofryk, Krzysztof Ptok, Andrzej Kaczorowski, Dariusz Neupane, Madhab |
| contents | The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magnetic ordering with the nodal line band topology. Here, we report a detailed electronic band structure investigation of TbSbTe, corroborated by electrical transport, thermodynamic, and magnetic studies. Temperature-dependent magnetic susceptibility and thermodynamic transport studies indicate the onset of antiferromagnetic ordering below TN = 5.1 K. The electronic band structure study, carried out with high-resolution angle-resolved photoemission spectroscopy (ARPES) measurements aided with density functional theory based first-principles calculations reveals presence of nodal lines in the GammaX high symmetry direction, forming a diamond-shaped nodal plane around Gamma high symmetry point. A strongly photon energy dependent nodal feature located at the X point of the surface Brillouin zone, indicating an extended nodal line along X R direction, is also observed. This study elucidates the intricate interplay among symmetry-protected band characteristics, the influence of spin orbit coupling, magnetism, and topological properties. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_09054 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Electronic Structure of a Nodal Line Semimetal Candidate TbSbTe Elius, Iftakhar Bin Casey, Jacob F Regmi, Sabin Buturlim, Volodymyr Sakhya, Anup Pradhan Sprague, Milo Mondal, Mazharul Islam Valadez, Nathan Kumay, Arun K Scrivens, Justin Venkateswara, Yenugonda Dan, Shovan Romanova, Tetiana Pathak, Arjun K Gofryk, Krzysztof Ptok, Andrzej Kaczorowski, Dariusz Neupane, Madhab Mesoscale and Nanoscale Physics Materials Science The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magnetic ordering with the nodal line band topology. Here, we report a detailed electronic band structure investigation of TbSbTe, corroborated by electrical transport, thermodynamic, and magnetic studies. Temperature-dependent magnetic susceptibility and thermodynamic transport studies indicate the onset of antiferromagnetic ordering below TN = 5.1 K. The electronic band structure study, carried out with high-resolution angle-resolved photoemission spectroscopy (ARPES) measurements aided with density functional theory based first-principles calculations reveals presence of nodal lines in the GammaX high symmetry direction, forming a diamond-shaped nodal plane around Gamma high symmetry point. A strongly photon energy dependent nodal feature located at the X point of the surface Brillouin zone, indicating an extended nodal line along X R direction, is also observed. This study elucidates the intricate interplay among symmetry-protected band characteristics, the influence of spin orbit coupling, magnetism, and topological properties. |
| title | Electronic Structure of a Nodal Line Semimetal Candidate TbSbTe |
| topic | Mesoscale and Nanoscale Physics Materials Science |
| url | https://arxiv.org/abs/2406.09054 |