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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 15, Number 1
BKCSDE 15(1)
January 20, 1994

Title	Preparation of Y-Ba-Cu-O Superconducting Film on Ag Substrate by an Electrophoretic Deposition Method
Author	Cheol-Hwa Kang, Cheol-Mo Jeong, Cheol-Woo Yi, Keon Kim
Keywords
Abstract	The preparation of YBa2Cu4O8 thick film on Ag substrate by electrophoretic deposition was directly studied. Electrophoretic deposition was carried out in solution, which was composed of presintered YBa2Cu4O8 powder, sodium, and 2-propanol as a solvent. The deposited thick films were heat-treated in O2 at 815 ℃ for 12 hours and at 450 ℃ for 12 hours. We succeeded in obtaining superconducting YBa2Cu4O8 films on Ag substrate. Even though the chemical reactions at the YBa2Cu4O8/Ag interface occurred in the range of 10 μm, superconductivity was not depressed. The thickness of the films was in the range of 60-80 μm. The characteristics of the films were examined by electric resistance measurements, X-ray diffraction, and SEM observations.
Page	20 - 22
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