ZnO doping effects in melt-textured (Nd0.33Eu 0.39Gd0.27)Ba2Cu3Oy grown from MgO seed

M. Muralidhar, T. Kono, M. Jirsa, N. Sakai, M. Murakami, I. Hirabayashi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


We successfully grew high-quality single-grain (Nd0.33Eu 0.39Gd0.27)Ba2Cu3Oy pellets using MgO seed crystals, provided a small quantity of ZnO was added. Tc (onset) continuously decreased with growing Zn content. An optimum for ZnO, compromising good superconducting and electromagnetic properties, was 0.035 mol%. With this ZnO content, Tc>92 K, a critical current density of 100 kA cm-2 was achieved at 77 K and 3 T, and the irreversibility field was >7 T. Perfect facet lines up to the bottom of the sample with the c-axis reflection plane appeared after the melt growth, implying a high density of the material and practically no liquid loss. Very small difference in the trapped field distribution on the top and bottom surfaces confirmed a uniform crystallographic structure and the electromagnetic properties of the pellet.

Original languageEnglish
Pages (from-to)L25-L28
JournalSuperconductor Science and Technology
Issue number6
Publication statusPublished - 2006 Jun 1

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry


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