Superconducting properties of REBa2Cu3Oy (RE = Y and Gd) films prepared by BaF2 process without water vapor

K. Yokoyama, R. Kita, A. Ichinose, O. Miura, K. Matsumoto, Y. Yoshida, Masashi Mukaida, S. Horii

    研究成果: ジャーナルへの寄稿学術誌査読

    1 被引用数 (Scopus)

    抄録

    We have successfully fabricated YBa2Cu3Oy (Y123) and GdBa2Cu3Oy (Gd123) films on SrTiO3 substrates by the ex situ heat treatment of co-evaporated Y-BaF2-Cu and Gd-BaF2-Cu precursor films prepared by electron beam deposition technique without water vapor. Tc and Jc of the Y123 film were 91.6 K and 0.95 MA cm-2 at 77 K at self-field, respectively. The Gd123 film showed Tc of 93.4 K and Jc of 1.5 MA cm-2 at 77 K at self-field. It was found that the surface morphology of the Y123 and the Gd123 films depended on the partial oxygen pressure during the heat treatment.

    本文言語英語
    ページ(範囲)587-589
    ページ数3
    ジャーナルPhysica C: Superconductivity and its applications
    445-448
    1-2
    DOI
    出版ステータス出版済み - 10月 1 2006

    !!!All Science Journal Classification (ASJC) codes

    • 電子材料、光学材料、および磁性材料
    • 凝縮系物理学
    • エネルギー工学および電力技術
    • 電子工学および電気工学

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