Quantum confinement of the Dirac surface states in topological-insulator nanowires

In topological insulator nanowires quantized Dirac sub-bands are expected, but direct evidence is still missing. Here, the authors report signatures of sub-bands in the gate-voltage dependence of the resistance by tuning the chemical potential in (Bi1−xSbx)2Te3 nanowires through the Dirac point.

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Autores principales: Felix Münning, Oliver Breunig, Henry F. Legg, Stefan Roitsch, Dingxun Fan, Matthias Rößler, Achim Rosch, Yoichi Ando
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/6df0e9a05e1e497b8d103da5a45a1b9f
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