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1992 | 82 | 2 | 349-354
Article title

On the Surfacegrived State of Cleaved YBa_{2}Cu_{3}O_{7-δ} Single Crystals

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EN
Abstracts
EN
Angle-resolved photoemission experiments on the cleaved surface of YBa_{2}Cu_{3}O_{7-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 basic 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.
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EN
Contributors
author
  • Institut für Experimentalphysik, Universität Kiel, Olshausenstr. 40, D-2300 Kiel 1, Germany
author
  • Institut für Experimentalphysik, Universität Kiel, Olshausenstr. 40, D-2300 Kiel 1, Germany
author
  • Institut für Experimentalphysik, Universität Kiel, Olshausenstr. 40, D-2300 Kiel 1, Germany
author
  • Kernforschungszentrum Karlsruhe, Institut für Nukleare Festkörperphysik, Postfach 3640, D-7500 Karlsruhe, Germany
author
  • Institut für Experimentalphysik, Universität Kiel, Olshausenstr. 40, D-2300 Kiel 1, Germany
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv82z218kz
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