Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

Makoto Takamura, Masashi Mukaida, Shigeru Horii, Ataru Ichinose, Ryusuke Kita, Masafumi Namba, Satoshi Awaji, Kazuo Watanabe, Kaname Matsumoto, Yutaka Yoshida

    研究成果: Contribution to journalArticle査読

    2 被引用数 (Scopus)

    抄録

    The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B irr - T curves under B//a shifted toward lower temperature and magnetic field regions.

    本文言語英語
    論文番号5153274
    ページ(範囲)3499-3502
    ページ数4
    ジャーナルIEEE Transactions on Applied Superconductivity
    19
    3
    DOI
    出版ステータス出版済み - 6 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
    • 電子工学および電気工学

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