Low resistance joint of the YBCO coated conductor

J. Kato-Yoshioka, N. Sakai, S. Tajima, S. Miyata, T. Watanabe, Y. Yamada, N. Chikumoto, K. Nakao, T. Izumi, Y. Shiohara

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We achieved a very low resistance at 0.02 ∼ 0.03 νΩ (12 nΩcm2) across the nonsuperconducting joint with an area of 2 × 20 mm2 for YBCO coated conductors produced by pulsed laser deposition (PLD). The joint technique was very simple in which YBCO coated conductors were stuck in a face to face manner with Ag surfaces in contact and heat-treated at 500°C in an oxygen atmosphere. We also confirmed that the good superconducting properties of the YBCO coated conductors were maintained after completion of the series of joint procedures. Furthermore, a low contact resistance of 0.5 nΩcm2 at the interface between the YBCO film and the Ag stabilizing layer was confirmed.

Original languageEnglish
Article number042
Pages (from-to)166-169
Number of pages4
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2006 Jun 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kato-Yoshioka, J., Sakai, N., Tajima, S., Miyata, S., Watanabe, T., Yamada, Y., Chikumoto, N., Nakao, K., Izumi, T., & Shiohara, Y. (2006). Low resistance joint of the YBCO coated conductor. Journal of Physics: Conference Series, 43(1), 166-169. [042]. https://doi.org/10.1088/1742-6596/43/1/042