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Advances in Superconductivity VI pp 17–22Cite as

Electron Tunneling Into YBCO and Its Alloys

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Abstract

We have performed tunneling measurements between a conventional superconductor (Pb) and the high Tc cuprate Y1−xPrxBa2Cu3O7−δ. Both quasiparticle tunneling and pair tunneling (Josephson effect) have been demonstrated and studied. With increasing concentration of Pr, the Tc decreases and the material becomes even more gapless. The Josephson coupling is reproducible, shows much of the conventional behavior. The a.c. Josephson effect is also observed.

Work in Collaboration with A.G. Sun, D. Gajewski, L. Paulius and M.B. Maple

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Author information

Authors and Affiliations

  1. Department of Physics, University of California, San Diego, La Jolla, CA, 92093-0319, USA

    R. C. Dynes

Authors
  1. R. C. Dynes
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Editor information

Editors and Affiliations

  1. Faculty of Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 724, Japan

    Toshizo Fujita

  2. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    Yuh Shiohara

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© 1994 Springer-Verlag Tokyo

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Dynes, R.C. (1994). Electron Tunneling Into YBCO and Its Alloys. In: Fujita, T., Shiohara, Y. (eds) Advances in Superconductivity VI. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68266-0_3

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  • DOI: https://doi.org/10.1007/978-4-431-68266-0_3

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68268-4

  • Online ISBN: 978-4-431-68266-0

  • eBook Packages: Springer Book Archive

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