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Topological insulators and superconductivity

The integrity of two sides

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The observations of unusual edge properties in scanning tunnelling spectroscopy and the predicted band structure in photoemission spectra of a monolayer FeSe superconductor reveal its non-trivial topological nature.

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Figure 1: FeSe/STO.
Figure 2: A schematic of a FeSe/STO-based p–n-junction device for potentially realizing Majorana fermions.

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Authors and Affiliations

  1. Wei-Feng Tsai and Hsin Lin are in the Department of Physics and at the Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, Singapore 117546, Singapore,

    Wei-Feng Tsai & Hsin Lin

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  1. Wei-Feng Tsai
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  2. Hsin Lin
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Correspondence to Wei-Feng Tsai or Hsin Lin.

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Tsai, WF., Lin, H. The integrity of two sides. Nature Mater 15, 927–928 (2016). https://doi.org/10.1038/nmat4700

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