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

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

研究成果: Article査読

6 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)479-484
ページ数6
ジャーナルSuperconductor Science and Technology
11
5
DOI
出版ステータスPublished - 1998 5 1
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 凝縮系物理学
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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