Critical currents and flux creep in melt powder melt grown YBa 2Cu3O7 superconductors

M. Wacenovsky, R. Miletich, H. W. Weber, Masato Murakami

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Melt Powder Melt Grown samples with different amounts of artificially introduced 211-precipitates were prepared and investigated by optical microscopy, DC-magnetization and AC-susceptibility measurements. The results are discussed in terms of critical current densities, flux-creep and irreversibility lines. Large shifts of the irreversibility lines as compared to single crystals and ceramics as well as high critical current densities have been observed.

Original languageEnglish
Article number039
JournalSuperconductor Science and Technology
Issue number1S
Publication statusPublished - 1992
Externally publishedYes


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)

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