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On the Surface-Derived State of Cleaved YBa2Cu3O7−δ Single Crystals

  • R. Manzke
  • S. Harm
  • G. Mante
  • J. Fink
  • M. Knupfer
  • M. Skibowski
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 113)

Abstract

Angle-resolved photoemission experiments on the cleaved surface of YBa2Cu3O7−δ single crystals revealed an intrinsic surface-derived electronic state around the X and Y point of the Brillouin zone with 0.92 eV binding energy. A surface electronic structure different to the bulk can be of basiç importance for the surface superconductivity of this high-T c cuprate. Here we briefly review recent experimental results and present new hydrogen adsorption experiments, demonstrating the surface character of the 0.92 eV state.

Keywords

Brillouin Zone Surface Peak Bulk Band Surface Superconductivity Fermi Edge 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1993

Authors and Affiliations

  • R. Manzke
    • 1
  • S. Harm
    • 1
  • G. Mante
    • 1
  • J. Fink
    • 2
  • M. Knupfer
    • 2
  • M. Skibowski
    • 1
  1. 1.Institut für ExperimentalphysikUniversität KielKielFed. Rep. of Germany
  2. 2.Institut für Nukleare FestkörperphysikKernforschungszentrum KarlsruheKarlsruheFed. Rep. of Germany

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