Magneto-transport evidence for strong topological insulator phase in ZrTe5

It remains difficult to identify non-trivial band topology through electronic transport in narrow-gap topological materials. Here, the authors demonstrate that an inverted band leads to a four-fold splitting of non-zero Landau levels and an anomalous zero Landau level peak in the density of states o...

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Autores principales: Jingyue Wang, Yuxuan Jiang, Tianhao Zhao, Zhiling Dun, Anna L. Miettinen, Xiaosong Wu, Martin Mourigal, Haidong Zhou, Wei Pan, Dmitry Smirnov, Zhigang Jiang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/5b0bb7a3a8f84fdcadfd7726d46614b0
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Sumario:It remains difficult to identify non-trivial band topology through electronic transport in narrow-gap topological materials. Here, the authors demonstrate that an inverted band leads to a four-fold splitting of non-zero Landau levels and an anomalous zero Landau level peak in the density of states of ZrTe5, hence can serve as an indicator to explore non-trivial topology.