Fabrication of large-grain Nd-Ba-Cu-O superconductor

M. Matsui, T. Miyamoto, S. Nariki, N. Sakai, M. Murakami

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We fabricated a c-axis oriented Nd-Ba-Cu-O bulk superconductor with 10 wt.% Ag2O addition using the top-seeded melt-growth technique in 1% O2-Ar atmosphere. The size of the sample was 30 mm in diameter and 10 mm in thickness. We measured the field dependence of the trapped field at various temperatures. The peak effect of the trapped field could be observed, showing that the field-induced pinning is active even in large dimensions. The peak value of the trapped field reached 1.1 T at liquid nitrogen temperature. A high trapped field value of 3.75 T was recorded at 50 K.

Original languageEnglish
Pages (from-to)694-696
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume357-360
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 2001 Aug 1
Externally publishedYes

Keywords

  • Bulk superconductor
  • Nd-Ba-Cu-O
  • Trapped field

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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