Influence of microstructure on the pinning properties of Nd123

N. Chikumoto, J. Yoshioka, M. Otsuka, S. I. Yoo, M. Murakami

研究成果: Article

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Melt-textured Nd123 samples are heat-treated at high temperatures in various atmospheres. For the sample prepared in 1% O2-Ar, the decrease of Jc was observed after the heat-treatment, eventhough there is no change in Tc. This could be explained by the agglomeration of Nd-rich region (pinning center) during the heat treatment. On the other hand, the sample prepared in air showed the increase of Tc and Jc by the heat-treatment at 980 °C in low oxygen partial pressure (0.1% O2-Ar), which could be understood by the partial melting of the Nd-rich phase.

元の言語English
ページ(範囲)2295-2296
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
282
発行部数PART 4
DOI
出版物ステータスPublished - 1997 8

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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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