Magneto-optical investigations of multifilamentary Bi-2223 tapes

M.R. Koblischka, T.H. Johansen, B.H. Larsen, N.H. Andersen, H. Wu, P. Skov-Hansen, M. Bentzon, P. Vase

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Flux distributions of multifilamentary Bi-2223 tapes with a varying number of filaments (14 to 55 filaments) are investigated by magneto-optic (MO) imaging at various temperatures (10 less than or equal to T less than or equal to 77 K) and in different field orientations (field applied perpendicular to the tape surface and perpendicular to a cross section of the tape). This enables to study differences between the individual filaments in a direct way From an analysis of the held distributions of the cross sections we obtain important informations concerning the filament quality as a function of position, and the filament coupling.
    Original languageEnglish
    JournalPhysica C: Superconductivity and its Applications
    Volume341-348
    Pages (from-to)2583-2584
    ISSN0921-4534
    DOIs
    Publication statusPublished - 2000

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