Observation of a re-emergence of the flux lattice in BSCCO

E. M. Forgan, M. T. Wylie, S. Lloyd, S. L. Lee, R. Cubitt

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

We have performed detailed SANS investigations of the flux lattice in BSCCO. At fields above 600G, the diffracted intensity increases as a function of temperature above 30K. This increase in intensity indicates that the flux lattice becomes more perfect at higher temperatures. We attribute this to a weakening of pinning at higher temperatures, which allows the flux lines to relax into a more ordered configuration. This decrease in pinning strength is due to thermal fluctuations smearing out the pinning wells seen by the flux pancakes. If our interpretation is correct, our work represents the first experimental evidence for this phenomenon.

Original languageEnglish
Pages (from-to)1571-1572
Number of pages2
JournalCzechoslovak Journal of Physics
Volume46
Issue numberSUPPL. 3
DOIs
Publication statusPublished - 1996

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