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Abstracts
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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Journal
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Volume
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Pages
349-354
Physical description
Dates
published
1992-08
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
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv82z218kz