Effects of heating rate in calcination process on microstructures of Y123 precursor and final films formed by advanced TFA-MOD method

Junko S. Matsuda, Koichi Nakaoka, Yoshitaka Tokunaga, Ryo Teranishi, Satoshi Koyama, Yuji Aoki, Hiroshi Fuji, Akiraasa Yajima, Yutaka Yamada, Teruo Izumi, Yuh Shiohara

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

We have investigated the effects of heating rates in the calcination process on microstructures of Y123 precursor and final films. As a result, it was found that there is CuO segregation in the vicinity of the Y123 precursor film surface, when the precursor is prepared at a rapid heating rate in the calcination. In the case of heat-treating this precursor film in the crystallization process, many large pores and misoriented Y123 crystals tend to remain in the Y123 final film. It is important to control the heating rate in the calcination, in order to attain higher Jc of the Y123 final films.

本文言語英語
ページ(範囲)2652-2655
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
15
2 PART III
DOI
出版ステータス出版済み - 6 2005
外部発表はい

All Science Journal Classification (ASJC) codes

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

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