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Current transport across grain boundary networks in high-Tc superconductors

Author

Listed:
  • Mannhart, J.
  • Huebener, R.P.
  • Kober, F.
  • Koelle, D.
  • Chaudhari, P.
  • Dimos, D.
  • Gross, R.
  • Gupta, A.
  • Koren, G.
  • Tsuei, C.C.

Abstract

Electric transport measurements across single grain boundaries in YBa2Cu3O7 films are summarized. These experiments demonstrate that YBa2Cu3O7 grain boundaries behave like SNS-type Josephson junctions. The implications of this weak link behavior for the critical currents of polycrystalline high-Tc superconductors are discussed in conjunction with spatially resolved measurements of the current transport in polycrystalline YBa2Cu3O7.

Suggested Citation

  • Mannhart, J. & Huebener, R.P. & Kober, F. & Koelle, D. & Chaudhari, P. & Dimos, D. & Gross, R. & Gupta, A. & Koren, G. & Tsuei, C.C., 1990. "Current transport across grain boundary networks in high-Tc superconductors," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 168(1), pages 345-352.
    • Handle: RePEc:eee:phsmap:v:168:y:1990:i:1:p:345-352
    DOI: 10.1016/0378-4371(90)90386-7
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    Cited by:

    1. Caplin, A.D. & Bungre, S.S. & Cassidy, S.M. & Laverty, J.R. & Shen, Z.X., 1990. "Dissipation in granular high-temperature superconductors," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 168(1), pages 268-276.

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