Preparation of YbBa2Cu3O7-x bulk superconductor by melt growth process

T. Mochida, M. Takahashi, S. Goshima, N. Sakai, S. I. Yoo, M. Murakami

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Abstract

YbBa2Cu3O7-x (Yb123) bulk superconductors were prepared by a melt growth process under various oxygen partial pressures. The microstructure of melt-processed Yb123 was observed by scanning electron microscopy and optical microscopy. Tc and critical current density (Jc) were measured with a SQUID magnetometer. The size of Yb2BaCuO5 particles in the YbBa2Cu3O7-x phase was about 1 to 10 μm. The melt processed Yb123 sample showed Tconset of 91.5 K and Jc of 50,000 A/cm2 at 77 K and 0 T.

Original languageEnglish
Pages (from-to)37-39
Number of pages3
JournalSuperlattices and Microstructures
Volume21
Issue numberSuppl A
DOIs
Publication statusPublished - 1997 Jan 1

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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