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Título: | Bulk and surface electronic structure of SnBi4Te7 topological insulator |
Autor: | Vergniory, Maia G. CSIC ORCID; Menshchikova, Tatiana V.; Eremeev, Sergey V.; Chulkov, Eugene V. CSIC ORCID | Palabras clave: | Surface states Topological insulators Electronic structure |
Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | Applied Surface Science 267: 146-149 (2013) | Resumen: | Using density functional theory with the spin–orbit coupling included we analyze the bulk and surface electronic structure of SnBi4Te7 ternary compound. It was revealed that this material is a strong topological insulator with a bulk band gap of about 100 meV and a robust surface state around the Γ¯ point. We find that the topological nature of the surface state remains robust with different terminations of the surface. | URI: | http://hdl.handle.net/10261/102162 | DOI: | 10.1016/j.apsusc.2012.08.073 | Identificadores: | doi: 10.1016/j.apsusc.2012.08.073 issn: 0169-4332 |
Aparece en las colecciones: | (CFM) Artículos |
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