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Scanning tunnelling spectroscopy of the vortex state in NbSe2 using a superconducting tip

Authors
  • Rodrigo, J. G.
  • Crespo, V.
  • Vieira, S.
Type
Preprint
Publication Date
Sep 17, 2007
Submission Date
Sep 17, 2007
Identifiers
DOI: 10.1016/j.physc.2007.11.019
Source
arXiv
License
Unknown
External links

Abstract

The vortex electronic structure in the multiband superconductor NbSe2 is studied by means of Scanning Tunneling Spectroscopy (STS) using a superconducting tip. The use of a superconducting tip (Pb) as a probe provides an enhancement of the different features related to the DOS of NbSe2 in the tunneling conductance curves. This use allows the observation of rich patterns of electronic states in the conductance images around the vortex cores in a wide range of temperature, as well as the simultaneous acquisition of Josephson current images in the vortex state.

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