Critical current properties in HTS tapes

T. Kiss, M. Inoue, T. Kuga, M. Ishimaru, S. Egashira, S. Irie, T. Ohta, K. Imamura, M. Yasunaga, M. Takeo, T. Matsushita, Y. Iijima, K. Kakimoto, T. Saitoh, S. Awaji, K. Watanabe, Y. Shiohara

Research output: Contribution to journalConference articlepeer-review

49 Citations (Scopus)


The author's recent studies on the critical current properties in Bi-2223 multifilamentary tapes as well as YBCO coated IBAD tapes have been reviewed. Extended electric field vs. current density (E-J) characteristics were studied over wide range of temperature, T, magnetic field, B, and angle, θ. Based on the analysis of statistic Jc distribution and scaling, we derived an analytical expression for J as a function of E, T, B, and θ. This method allows us to describe and extrapolate the nonlinear E-J characteristics even in extremely low E region and/or high B region based on rather simple measurements.

Original languageEnglish
Pages (from-to)1053-1062
Number of pages10
JournalPhysica C: Superconductivity and its Applications
Issue numberPART 2
Publication statusPublished - 2003 Oct
EventProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
Duration: 2002 Nov 112002 Nov 13


  • Bi-2223 tape
  • Critical current
  • E-J characteristics
  • IBAD
  • Transport characteristics
  • YBCO coated conductor


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