Preparation of Superconductive YBa<SUB>2</SUB>Cu<SUB>3</SUB>O<SUB>7−<I>x</I></SUB> Thick Films by the Rapid-Quenching Technique

J-STAGE
  • Takahashi Koichiro
    Muki-Zaishitsu Kenkyu-Sho (National Institute for Research in Inorganic Materials)
  • Shimomura Shuichi
    Muki-Zaishitsu Kenkyu-Sho (National Institute for Research in Inorganic Materials)
  • Nagasawa Arata
    Muki-Zaishitsu Kenkyu-Sho (National Institute for Research in Inorganic Materials)
  • Ohta Masatsune
    Muki-Zaishitsu Kenkyu-Sho (National Institute for Research in Inorganic Materials)
  • Kakegawa Kazuyuki
    Faculty of Engineering, Chiba University

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説明

Thick films of YBa2Cu3O7−x (e.g. 50 μm thick ×13 mm wide ×45 mm long) with maximum density were prepared by rapid quenching. For the film heat-treated at 950°C in air, superconductivity was realized with an onset temperature of 98 K and zero resistivity of 87 K.

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