Magnetic and microstructure study of bulk (Sm0.33Eu0.33Gd0.33)Ba2Cu3 O3, with submicron Gd2BaCuO5 second-phase particles

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Abstract

We fabricated melt-processed (Sm0.33Eu0.33Gd0.33)Ba2Cu3 Oy superconductors with fine Gd2BaCuO5 (Gd-211) particles and studied microstructure and magnetic properties as a function of the Gd-211 content and the initial particle size. Microstructure observation by scanning electron microscopy and transmission electron microscopy confirmed the presence of submicron secondary-phase particles and nanometer-sized RE1+xBa2-xCu3Oy (x > 0) clusters. At 77 K, the critical current densities of 107 and 83 kA/cm2 were achieved at 0 T (self-field) and 2.2 T, respectively (superconducting quantum interference device data).

Original languageEnglish
Pages (from-to)1073-1080
Number of pages8
JournalJournal of Materials Research
Volume18
Issue number5
DOIs
Publication statusPublished - 2003 May
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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