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  Article

  Thickness Dependence of Superconductivity in Ultrathin NbS2
  

  Author(s):

  Rusen Yan, Guru Khalsa, Brian T. Schaefer, Alexander Janjour, Sergei Rouvimov, Katja Nowack, Huili Xing, Debdeep Jena

  Abstract:

  We report a systematic study of thickness-dependent superconductivity and carrier transport properties in exfoliated layered 2H-NbS2. Hall-effect measurements reveal 2H-NbS2 is a p-type metal with hole mobility of 1–3 cm2 V−1 s−1. The superconducting transition temperature is found to decrease with thickness. However, we find that superconductivity is suppressed due to disorder resulting from the incorporation of atmospheric oxygen. Cross-section transmission electron microscope imaging revea…

  Date Published:

  2019-02

  Record Visibility:

  Public