Jc of Sm1+xBa2-xCu3Oy films improved in the whole angle range by introducing BaZrO3 nanoparticles

T. Harada, Y. Yoshida, Y. Ichino, T. Ozaki, Y. Takai, K. Matsumoto, A. Ichinose, S. Horii, Masashi Mukaida, R. Kita

    研究成果: Contribution to journalArticle査読

    9 被引用数 (Scopus)

    抄録

    For an enhancement of Jc under applied magnetic fields, introducing BaZrO3 (BZO) into REBa2Cu3Oy (REBCO) is effective. However, there have been few reports on the comparison of configurational effect of BZO on the crystallinity, superconducting properties and microstructures in REBCO films. In this study, we fabricated 2 vol.% BZO-doped Sm1+xBa2-xCu3Oy (SmBCO) films by pulsed laser deposition with two different methods during deposition; using BZO-doped SmBCO target (BZO-mixed SmBCO), and alternating SmBCO and BZO targets (BZO-layered SmBCO). The angular dependence of Jc (77 K, B = 1 T) in the BZO-mixed SmBCO film exhibited strong peak in the direction parallel to the c-axis, while the Jc of the BZO-layered SmBCO film was enhanced in the whole field angle range. From a microstructure analysis, nanosized BZO-particles were observed in the BZO-layered SmBCO film and they acted as isotropic pinning centers.

    本文言語英語
    ページ(範囲)1392-1395
    ページ数4
    ジャーナルPhysica C: Superconductivity and its applications
    469
    15-20
    DOI
    出版ステータス出版済み - 10 15 2009

    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

    フィンガープリント

    「J<sub>c</sub> of Sm<sub>1+x</sub>Ba<sub>2-x</sub>Cu<sub>3</sub>O<sub>y</sub> films improved in the whole angle range by introducing BaZrO<sub>3</sub> nanoparticles」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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