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Diminished equilibrium magnetization in Hg-1223 and Tl-2212 superconductors with fission-generated columnar defects

  • J. R. Thompson*
  • , J. G. Ossandon
  • , D. K. Christen
  • , K. J. Song
  • , H. J. Kim
  • , L. Krusin-Elbaum
  • , K. D. Sorge
  • , J. L. Ullmann
  • *Corresponding author for this work
  • Oak Ridge National Laboratory
  • University of Tennessee
  • Universidad de Talca
  • IBM
  • Los Alamos National Laboratory

Research output: Contribution to journalConference articlepeer-review

Abstract

When randomly oriented columnar defects (CDs) are added to Hg-1223 and Tl-2212 superconductors, their vortex state equilibrium magnetization Meq decreases substantially. Meq progressively deviates from the usual London ln(B) dependence and the curves become S-shaped. Vortex-defect interactions quantitatively account for this behavior.

Original languageEnglish
Pages (from-to)733-734
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume388-389
DOIs
StatePublished - 2003.05
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: 2002.08.202002.08.27

Keywords

  • Columnar defects
  • Equilibrium magnetization
  • Hg-cuprates
  • Tl-cuprates

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