Estimation of E-J characteristics in a YBCO coated conductor at low temperature and very high magnetic field

M. Inoue, T. Kiss, T. Kuga, M. Ishimaru, M. Takeo, T. Matsushita, Y. Iijima, K. Kakimoto, T. Saitoh, S. Awaji, K. Watanabe, Y. Shiohara

研究成果: Contribution to journalConference article

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E-J characteristics in a YBCO coated conductor at low temperature and very high magnetic field up to 27 T have been estimated using experimental E-J characteristics below 12 T along with a scaling analysis based on the percolation model. 1 mm thick YBCO films was deposited on a biaxially aligned Y2O3/YSZ/Hastelloy substrate fabricated by the IBAD technique. The critical current Ic for the 1 cm wide tape was 85 A at 77 K in self-field. We measured E-J characteristics in perpendicular field up to 12 T using 100 μm wide and 1 mm long bridge patterned in the tape. Statistic Jc distribution and pinning properties were analyzed from the E-J characteristics. Using the pinning parameters determined by the scaling analysis, we can calculate the critical current properties as a function of temperature and magnetic field. E-J characteristics at low temperature and very high magnetic field up to 27 T were estimated analytically and compared with the experimental data. Estimated value of Jc and n-value, and their error analysis were also discussed.

元の言語英語
ページ(範囲)1078-1082
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
392-396
発行部数PART 2
DOI
出版物ステータス出版済み - 10 1 2003
イベントProceedings of the 15th International Symposium on Superconduc - Yokohama, 日本
継続期間: 11 11 200211 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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    Inoue, M., Kiss, T., Kuga, T., Ishimaru, M., Takeo, M., Matsushita, T., Iijima, Y., Kakimoto, K., Saitoh, T., Awaji, S., Watanabe, K., & Shiohara, Y. (2003). Estimation of E-J characteristics in a YBCO coated conductor at low temperature and very high magnetic field. Physica C: Superconductivity and its applications, 392-396(PART 2), 1078-1082. https://doi.org/10.1016/S0921-4534(03)00831-1