Magnetic field dependence of critical current density and microstructure in Sm1-xBa2-xCu3Oy films on metallic substrates

Masashi Miura, Yutaka Yoshida, Toshinori Ozaki, Yusuke Ichino, Masakazu Mutoh, Shuhei Funaki, Yoshiaki Takai, Kaname Matsumoto, Ataru Ichinose, Shigeru Horii, Masashi Mukaida, Satoshi Awaji, Kazuo Watanabe

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    10 Citations (Scopus)

    Abstract

    We have reported high-Jc Sm1+xBa2-xCu 3Oy, (SmBCO) films on single crystal MgO prepared by pulsed laser deposition (PLD). In this study, we fabricate SmBCO films on metallic substrates using low temperature growth (LTG) technique, to investigate the availability of the LTG technique for coated conductors. The LTG-SmBCO films are deposited on PLD - CeO2/IBAD - YSZ/Hastelloy tapes. The critical current density (Jc) is 4.7 MA/cm2 (77 K, B//c, B = 0 T) and 0.23 MA/cm2 (77 K, B//c, B = 5 T). Furthermore, at 65 K and B = 17 T, the Jc of LTG-SmBCO film (B//c) reaches 0.03 MA/cm 2. These values are higher than those of conventional PLD-YBCO and PLD-SmBCO films. From these results, we suggest that the LTG is an effective technique for improving the magnetic field dependence of Jc of coated conductors.

    Original languageEnglish
    Pages (from-to)3247-3250
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume17
    Issue number2
    DOIs
    Publication statusPublished - Jun 2007

    All Science Journal Classification (ASJC) codes

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

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