Temperature Effects on the Phonon Spectrum in YBa2Cu3O7 Single Crystals and Thin Films

Kurzanzeige
dc.contributor.authorFeile, Rudolfdeu
dc.contributor.authorLeiderer, Paul
dc.contributor.authorKowalewski, Jerzydeu
dc.contributor.authorAssmus, Wolfdeu
dc.contributor.authorSchubert, J.deu
dc.contributor.authorPoppe, Ulrichdeu
dc.date.accessioned2011-03-24T17:52:39Zdeu
dc.date.available2011-03-24T17:52:39Zdeu
dc.date.issued1989deu
dc.description.abstractWe have performed a detailed investigation of the temperature dependence of the 385cm-1 phonon in single crystals and thin films of the YBa2Cu3O7 superconductor by means of Raman spectroscopy. In the single crystal the frequency of this phonon shows a downshift of about 5 cm-1 on passing the superconducting transition from above, which is referred to a strong electron-phonon interaction in the superconductor. The shift of the phonon in thin epitaxial films on MgO or SrTiO3 substrates is only about 2.5 cm-1. This difference may be a result of a structural transition in the single crystal which is possibly suppressed in the films because of the epitaxy. The electron-phonon interaction is also indicated by the asymmetry of the phonon line and a slight increase of the linewidth below Tc.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Journal of the Less Common Metals 151 (1989), pp. 125-132deu
dc.identifier.doi10.1016/0022-5088(89)90306-8
dc.identifier.ppn266238904deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/8989
dc.language.isoengdeu
dc.legacy.dateIssued2007deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subject.ddc530deu
dc.titleTemperature Effects on the Phonon Spectrum in YBa2Cu3O7 Single Crystals and Thin Filmseng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Feile1989Tempe-8989,
  year={1989},
  doi={10.1016/0022-5088(89)90306-8},
  title={Temperature Effects on the Phonon Spectrum in YBa2Cu3O7 Single Crystals and Thin Films},
  volume={151},
  journal={Journal of the Less Common Metals},
  pages={125--132},
  author={Feile, Rudolf and Leiderer, Paul and Kowalewski, Jerzy and Assmus, Wolf and Schubert, J. and Poppe, Ulrich}
}
kops.citation.iso690FEILE, Rudolf, Paul LEIDERER, Jerzy KOWALEWSKI, Wolf ASSMUS, J. SCHUBERT, Ulrich POPPE, 1989. Temperature Effects on the Phonon Spectrum in YBa2Cu3O7 Single Crystals and Thin Films. In: Journal of the Less Common Metals. 1989, 151, pp. 125-132. Available under: doi: 10.1016/0022-5088(89)90306-8deu
kops.citation.iso690FEILE, Rudolf, Paul LEIDERER, Jerzy KOWALEWSKI, Wolf ASSMUS, J. SCHUBERT, Ulrich POPPE, 1989. Temperature Effects on the Phonon Spectrum in YBa2Cu3O7 Single Crystals and Thin Films. In: Journal of the Less Common Metals. 1989, 151, pp. 125-132. Available under: doi: 10.1016/0022-5088(89)90306-8eng
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