Study of flux entry and exit into Bi-2223 multifilamentary tapes

M. R. Koblischka, T. H. Johansen, H. Bratsberg, P. Vase

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Using magneto-optic imaging, the flux entry and exit into a piece of Ag-sheathed Bi2Sr2Ca2Cu3O10+δ multifilamentary tape are studied in an applied magnetic field. In low fields the shielding currents are seen to flow mostly in the outermost filaments. With increasing external magnetic field, the inner filaments also contribute to the current flow. In the remanent state, the flux is confined to the tape centre and is not pinned in each filament independently. The magneto-optic flux patterns obtained reveal that the filaments in the tape are coupled together, which enables the currents to flow around defects within the filaments.

Original languageEnglish
Pages (from-to)479-484
Number of pages6
JournalSuperconductor Science and Technology
Volume11
Issue number5
DOIs
Publication statusPublished - 1998 May 1
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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