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Effect of correlated and point-like disorder on transport properties of YBa2Cu3O7−δ single crystals

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Abstract

Pinning by point-like defects and twin boundaries in single-crystalline YBa2Cu3O7−δ has been investigated by measuring resistance and current-voltage characteristics in fields up to 5 T. A number of untwinned and twinned samples with different densities of point-like defects were studied. The experimental results are compared within the framework of vortex-entanglement.

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Authors and Affiliations

  1. Institut für Technische Physik, Forschungszentrum Karlsruhe und Universität Karlsruhe, 76021, Karlsruhe, Germany

    W. Jahn, C. Lessing, H. Küpfer, T. Wolf & H. Wühl

  2. Kristall-und Materiallabor, Universität Karlsruhe, 76128, Karlsruhe, Germany

    M. Kläser & G. Müller-Vogt

  3. Physics Department, University of Southampton, SO17 1BJ, Southampton, UK

    P. A. J. de Groot & R. M. Langan

  4. Moscow Institute for Radioengeneering, Electronics and Automation, 117454, Moscow, Russia

    S. N. Gordeev

Authors
  1. W. Jahn
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  2. S. N. Gordeev
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  3. C. Lessing
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  4. H. Küpfer
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  5. T. Wolf
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  6. M. Kläser
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  7. H. Wühl
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  8. G. Müller-Vogt
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  9. P. A. J. de Groot
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  10. R. M. Langan
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Jahn, W., Gordeev, S.N., Lessing, C. et al. Effect of correlated and point-like disorder on transport properties of YBa2Cu3O7−δ single crystals. J Low Temp Phys 105, 1177–1182 (1996). https://doi.org/10.1007/BF00753859

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  • DOI: https://doi.org/10.1007/BF00753859

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