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Collapse of irreversible field of superconducting Bi2Sr2Ca2Cu3O 10+δ/Ag tapes with columnar defects

  • Qiang Li
  • , M. Suenaga
  • , T. Kaneko
  • , K. Sato
  • , Ch Simmon
  • Brookhaven National Laboratory
  • Sumitomo Electric Industries, Ltd.
  • ISMRa

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We found that the irreversible field of the c-axis orinted superconducting Bi2Sr2Ca2Cu3O10+δ (Bi-2223) tapes irradiated with 5.8 Ge V Pb ions collapsed at temperatures approximately 75% of Tc regardless of fluence. This result may indicate an ultimate limit for the field application of Bi-2223/ Ag tapes at liquid nitrogen temperature (77 K), since the columner defects produced by heavy ions are the most efficent pinning centers known so far for the flux lines in a layered superconducting system.

Original languageEnglish
Pages (from-to)1561-1563
Number of pages3
JournalApplied Physics Letters
Volume71
Issue number11
DOIs
StatePublished - Sep 15 1997

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