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Electronic Properties of High-Tc Superconductors pp 83–87Cite as

Effect of Thermodynamic Fluctuations on the Transport Properties in YBaCuO Thin Films

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Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 113))

Abstract

Measurements of the electrical resistivity and the Hall effect in thin films of YBaCuO are reported. The films have been fabricated by pulsed laser deposition in oxygen atmosphere on MgO substrates. The rounding of the resistivity curve above T C was attributed to thermodynamic fluctuations of the superconducting order parameter and analyzed in terms of Aslamazov-Larkin and Maki-Thompson theories and their extensions for 2-dimensional, layered superconductors. These fluctuation contributions were also found near the superconducting transition of the Hall effect. From the results we deduce a c-axis coherence length ξC(0) = 1.5 Å and a phase-relaxation time τφ = 8.6 × 10−13 s at 100 K, indicating 2-dimensional transport and moderate strong pair-breaking in YBaCuO, respectively.

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Author information

Authors and Affiliations

  1. Ludwig Boltzmann Institut für Festkörperphysik, Kopernikusgasse 15, A-1060, Wien, Austria

    W. Lang, G. Heine & H. Jodlbauer

  2. Institut für Festkörperphysik, Universität Wien, Austria

    W. Lang, G. Heine & H. Jodlbauer

  3. Institut für Angewandte Physik, Universität Linz, A-4040, Linz, Austria

    P. Schwab, X. Z. Wang & D. Bäuerle

Authors
  1. W. Lang
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  2. G. Heine
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  3. H. Jodlbauer
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  4. P. Schwab
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  5. X. Z. Wang
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  6. D. Bäuerle
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Editor information

Editors and Affiliations

  1. Institut für Festkörperphysik, Universität Wien, Strudlhofgasse 4, A-1090, Wien, Austria

    Hans Kuzmany

  2. 2. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, W-7000, Stuttgart, Fed. Rep. of Germany

    Michael Mehring

  3. Institut für Nukleare Festkörperphysik, Kernforschungszentrum Karlsruhe, Postfach 3640, W-7500, Karlsruhe, Fed. Rep. of Germany

    Jörg Fink

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© 1993 Springer-Verlag Berlin, Heidelberg

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Lang, W., Heine, G., Jodlbauer, H., Schwab, P., Wang, X.Z., Bäuerle, D. (1993). Effect of Thermodynamic Fluctuations on the Transport Properties in YBaCuO Thin Films. In: Kuzmany, H., Mehring, M., Fink, J. (eds) Electronic Properties of High-Tc Superconductors. Springer Series in Solid-State Sciences, vol 113. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84865-0_14

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  • DOI: https://doi.org/10.1007/978-3-642-84865-0_14

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84867-4

  • Online ISBN: 978-3-642-84865-0

  • eBook Packages: Springer Book Archive

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