Preparation and properties of OCMG-processed Gd-Ba-Cu-O bulk superconductors with very fine Gd211 particles

S. Nariki, N. Sakai, M. Murakami

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

We have succeeded in enhancing Jc values of bulk Gd-Ba-Cu-O by employing fine Gd2BaCuO5 (Gd211) powders as precursor material. The mean diameter of Gd211 particles dispersed in the GdBa2Cu3Oy matrix could be reduced to 0.3 μm when we used ball-milled Gd211 starting powders <0.1 μm in average diameter. The Jc value of bulk Gd-Ba-Cu-O with refined Gd211 reached 130000 A/cm2 in self-field at 77 K.

Original languageEnglish
Pages (from-to)811-813
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume357-360
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 2001 Aug 1

Keywords

  • Critical current density
  • Gd-Ba-Cu-O
  • Melt processing

ASJC Scopus subject areas

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

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