Fabrication of High Tc Superconducting Films by Spray Pyrolysis

  • Hitoshi Nobumasa
  • Kazuharu Shimizu
  • Takahisa Arima
  • Kiichiro Matsumura
  • Yukishige Kitano
  • Tomoji Kawai
Conference paper

Abstract

A 100K superconducting Bi(Pb)-Sr-Ca-Cu-O film was formed on a MgO (100) single crystal by a spray pyrolysis method. Fifteen hours heating of the as-sprayed film at 845°C in air was enough to give the superconducting film with a Tczero higher than 100K. An X-ray diffraction pattern showed that this film mainly consisted of the high-Tc phase with the orientation of the c-axis perpendicular to the surface. Furthermore a microstructure having triple Cu-O layers without intergrowth was directly proved by high resolution TEM.

Keywords

Atomic Ratio Inductively Couple Plasma Heat Time Material Research Society Electric Resistance Ratio 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Japan 1989

Authors and Affiliations

  • Hitoshi Nobumasa
    • 1
  • Kazuharu Shimizu
    • 1
  • Takahisa Arima
    • 1
  • Kiichiro Matsumura
    • 1
  • Yukishige Kitano
    • 2
  • Tomoji Kawai
    • 3
  1. 1.Composite Material LaboratoryToray Ind. Inc.Otsu, Shiga, 520Japan
  2. 2.Toray Research Center Inc.Otsu, Shiga, 520Japan
  3. 3.The Institute of Scientific and Industrial ResearchOsaka UniversityOsaka, 567Japan

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