A comparison of experimental techniques to determine irreversibility lines and critical current densities in melt-processed YBCO

M. Wacenovsky, F. M. Sauerzopf, R. M. Schalk, H. W. Weber, M. Murakami, M. Baran, D. K. Finnemore

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Abstract

We report on a comparison of methods (SQUID, ac) commonly employed to derive irreversibility lines (IL) and critical current densities of melt processed YBCO materials. As expected from thermal activation theory, the results for Jc as well as for the position of the IL in the H-T-diagram are clearly dependent on the characteristic time scale of the measuring technique.

Original languageEnglish
Pages (from-to)2139-2140
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Volume194-196
Issue numberPART 2
DOIs
Publication statusPublished - 1994 Feb 2

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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