Flux pinning characteristics of artificial pinning centers with different dimension

Kaname Matsumoto, Paolo Mele, Ataru Ichinose, Masashi Mukaida, Yutaka Yoshida, Shigeru Horii, Ryusuke Kita

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)


    The crystal defects of the nano-scale, which are called artificial pinning centers (APCs), were successfully introduced into high-temperature superconductors (HTS) by nanotechnology, in order to strongly pin the quantized vortices. Critical current densities Jc of the HTS films were dramatically improved by APCs whose dimensions were controlled. By this method, the in-field Jc (77 K) of the high-quality, epitaxial films was improved by one order of magnitude or more compared with the values of the past. A current outline of the research is described in this paper.

    Original languageEnglish
    Article number5153240
    Pages (from-to)3248-3253
    Number of pages6
    JournalIEEE Transactions on Applied Superconductivity
    Issue number3
    Publication statusPublished - Jun 2009

    All Science Journal Classification (ASJC) codes

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


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