Effect of nanoscopic ZrO2 particles on flux pinning in (Nd, Eu, Gd)-123/Gd-211 composites

M. Muralidhar, N. Sakai, M. Jirsa, M. Murakami, N. Koshizuka

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We investigated the effect of ZrO2 addition on superconducting and magnetic properties of oxygen-controlled-melt-growth- (OCMG-) processed (Nd0.33Eu0.33Gd0.33)Ba2Cu 3O), (NEG-123) bulk material. The purpose of this study was to ascertain whether the ZrO2 particles are able to improve flux pinning even without entering into reaction with NEG-123 and Gd2BaCuO 5 (Gd-211) phases. We observed the expected effect but only at a relatively low concentration of ZrO2. The best flux pinning was observed in the sample with 0.29 wt% ZrO2. No trace of Zr was found in the NEG-123 matrix. Our study demonstrates the potential of ZrO2 particles in enhancing flux pinning in melt-processed REBa2Cu 3Oy, (RE-123).

Original languageEnglish
Pages (from-to)1129-1132
Number of pages4
JournalSuperconductor Science and Technology
Issue number10
Publication statusPublished - 2004 Oct

ASJC Scopus subject areas

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


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