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Influence of a transport current on the local magnetic field distribution in sintered YBa2Cu3Ox

  • Superconductivity: Magnetic Penetration Depths Vortex State Anisotropy
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Abstract

The influence of a transport current on the magnetic flux-line distribution in sintered YBCO was studied by means of μSR. Pronounced differences between zero-field-cooled (ZFC) and field-cooled (FC) signals and irreversible behavior were observed. In the ZFC case even a small transport current (10 A/cm2) tends to orderirreversibly the inhomogeneous flux-line distribution considerably, suggesting a broad distribution of pinning barriers. However, for a FC sample no noticeable change in the flux distribution in the presence of a transport current (up to 40 A/cm2) was detected, indicating that the FC state represents a stable flux-line configuration.

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Author notes

  1. I. M. Savic

    Present address: Faculty of Physics, University of Belgrade, 11001, Belgrade, Yugoslavia

  2. J. W. Schneider

    Present address: TRIUMF, V6T 2A3, Vancouver, B.C., Canada

Authors and Affiliations

  1. Physik-Institut, Universität Zürich, CH-8001, Zürich, Switzerland

    P. Zimmermann, H. Keller, W. Kündig, B. Pümpin, I. M. Savic, J. W. Schneider & H. Simmler

  2. Laboratorium für Festkörperphysik, ETH Zürich, CH-8093, Zürich, Switzerland

    E. Kaldis & S. Rusiecki

Authors
  1. P. Zimmermann
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  2. H. Keller
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  3. W. Kündig
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  4. B. Pümpin
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  6. J. W. Schneider
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  7. H. Simmler
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  8. E. Kaldis
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  9. S. Rusiecki
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Zimmermann, P., Keller, H., Kündig, W. et al. Influence of a transport current on the local magnetic field distribution in sintered YBa2Cu3Ox . Hyperfine Interact 63, 33–39 (1991). https://doi.org/10.1007/BF02395982

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  • DOI: https://doi.org/10.1007/BF02395982

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