Angular dependence of irreversibility field in Y-123 coated tape

M. Kiuchi, E. S. Otabe, T. Matsushita, T. Kuga, M. Inoue, T. Kiss, Y. Iijima, K. Kakimoto, T. Saitoh

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)


It is known that the critical current density vs. field angle of an Y-123 coated tape has a broad peak around the field direction normal to the tape surface. In this work, the angular dependencies of the irreversibility field and the critical current density are analytically investigated using the flux creep-flow theory with an assumption of the angular dependence of flux pinning strength, and these results are compared with the experimental results. The angular dependence of flux pinning strength obtained so as to get a good agreement between the experimental and theoretical results suggests an existence of long pinning centers along the c-axis.

Original languageEnglish
Pages (from-to)1063-1067
Number of pages5
JournalPhysica C: Superconductivity and its applications
Issue numberPART 2
Publication statusPublished - Oct 2003
EventProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
Duration: Nov 11 2002Nov 13 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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