Enhancement of dislocation density in YBa2Cu3Oy thin films prepared by low temperature growth technique

S. Funaki, Y. Yoshida, Y. Ichino, M. Miura, Y. Takai, K. Matsumoto, A. Ichinose, Masashi Mukaida, S. Horii

    研究成果: Contribution to journalArticle査読

    4 被引用数 (Scopus)

    抄録

    In order to achieve further lower substrate temperature (Ts) of YBa2Cu3Oy (YBCO) thin films for coated conductor application, we developed low temperature growth (LTG) II technique. In the LTG II technique, a c-axis oriented (Yb1-xNdx)Ba2Cu3Oy thin layer was deposited on MgO substrate as seed layer at low Ts and then YBCO layer was fabricated on the seed layer at the same Ts. As a result, we achieved that the LTG II-YBCO thin films showed complete c-axis orientation at lower Ts than that for obtaining c-axis oriented PLD-YBCO thin films by 15 °C, and showed a high Jc. We discussed the orientation mechanism of the LTG II-YBCO thin film using a simple nucleation model.

    本文言語英語
    ページ(範囲)644-648
    ページ数5
    ジャーナルPhysica C: Superconductivity and its applications
    463-465
    SUPPL.
    DOI
    出版ステータス出版済み - 10 1 2007

    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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