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Topological nature and the multiple Dirac cones hidden in Bismuth high-Tc superconductors

Recent theoretical studies employing density-functional theory have predicted BaBiO(3) (when doped with electrons) and YBiO(3) to become a topological insulator (TI) with a large topological gap (~0.7 eV). This, together with the natural stability against surface oxidation, makes the Bismuth-Oxide f...

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Publicat a:Sci Rep
Autors principals: Li, Gang, Yan, Binghai, Thomale, Ronny, Hanke, Werner
Format: Artigo
Idioma:Inglês
Publicat: Nature Publishing Group 2015
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC4444835/
https://ncbi.nlm.nih.gov/pubmed/26014056
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep10435
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