Melt-processing of Ag-added LRE-Ba-Cu-O (LRE = Nd, Sm)

H. Ikuta, S. Ikeda, A. Mase, M. Yoshikawa, Y. Yanagi, Y. Itoh, T. Oka, U. Mizutani

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37 Citations (Scopus)


Large c-axis oriented single-grain samples of LRE-Ea-Cu-O with LRE = Nd and Sm have been prepared by the melt-process in a reduced oxygen atmosphere. We found that adding Ag to the starting materials worked very effectively in order to circumvent the problems which we encountered in the melt-process of large samples. With the c-axis aligning perpendicular to the sample surface, we successfully synthesized single-grained samples which are 18 and 33 mm in diameter for LRE = Nd and Sm, respectively. The strength of the trapped magnetic field at the center of a LRE = Sm sample was 0.96 T at 77 K. This value is approximately one-half larger than a melt-processed Y-Ba-Cu-O with a similar size.

Original languageEnglish
Pages (from-to)109-117
Number of pages9
JournalApplied Superconductivity
Issue number2-5
Publication statusPublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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