Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Preparation of Y-Ba-Cu-O Superconducting Film on Ag Substrate by an Electrophoretic Deposition Method

  • Published : 1994.01.20
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Abstract

The preparation of $YBa_2Cu_4O_8$ thick film on Ag substrate by electrophoretic deposition was directly studied. Electrophoretic deposition was carried out in solution, which was composed of presintered $YBa_2Cu_4O_8$ powder, sodium, and 2-propanol as a solvent. The deposited thick films were heat-treated in $O_2$ at 815$^{\circ}$C for 12 hours and at 450$^{\circ}$C for 12 hours. We succeeded in obtaining superconducting $YBa_2Cu_4O_8$ films on Ag substrate. Even though the chemical reactions at the $YBa_2Cu_4O_8$/Ag interface occurred in the range of 10 ${\mu}$m, superconductivity was not depressed. The thickness of the films was in the range of 60-80 ${\mu}$ m. The characteristics of the films were examined by electric resistance measurements, X-ray diffraction, and SEM observations.

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References

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Cited by

  1. ChemInform Abstract: Preparation of Y-Ba-Cu-O Superconducting Film on Ag Substrate by an Electrophoretic Deposition Method. vol.25, pp.40, 1994, https://doi.org/10.1002/chin.199440018