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Critical currents approaching the depairing limit at a twin boundary in YBCO.

Author(s) : MAGGIO-APRILE I., RENNER C., ERB A., WALKER E., FISCHER O.

Type of article: Article

Summary

The authors used canning tunnelling spectroscopy to investigate the importance of twin boundaries in YBCO. In particular, they observed an unexpectedly large pinning strength for perpendicular vortex flux across the boundary, which implies that the critical current that can be supported along the boundary approaches the theoretical "depairing" limit.

Details

  • Original title: Critical currents approaching the depairing limit at a twin boundary in YBCO.
  • Record ID : 1999-1375
  • Languages: English
  • Source: Nature - vol. 390 - n. 6659
  • Publication date: 1997/12/04
  • Document available for consultation in the library of the IIR headquarters only.

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