The influence of calcination processes on the superconducting properties of Yb123 films prepared by chemical solution deposition

K. Yamagiwa, J. Shibata, T. Hirayama, I. Hirabayashi

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

In-plane aligned c-axis oriented YbBa2Cu3O7-δ (Yb123) films were successfully prepared on SrTiO3 substrates by chemical solution deposition (CSD) using metal naphthenates under low oxygen partial pressure. The homogeneously coated films on SrTiO3(100) were calcined by different heat-treatment profiles to decompose their organic components. These calcined films were fired at 750°C under 10-4 atm of oxygen partial pressure (pO2). The microstructures and the superconducting properties of the final Yb123 films are highly dependent on the heat-treatment profiles of calcination to obtain a uniform amorphous state. It has been confirmed by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) measurements that the heat-treatment of rapid heating and quenching is effective to prepare good calcined precursor film.

本文言語英語
ページ(範囲)231-235
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
309
3-4
DOI
出版ステータス出版済み - 12月 20 1998
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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