High-Tc superconducting Y-Ba-Cu-O films were prepared on Mg0(100) substrate by MO-CVD technique without post annealing. The highest Tc obtained was 85K. The film was made up of dense matrix and dispersed fine particles. The Y-Ba-Cu composition of matrix was nearly equal to the 1:2:3 superconducting phase. The film was highly oriented with c-axis perpendicular to the substrate. The lattice constant of the film was 11.68A.
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Ohnishi, H., Kusakabe, Y., Kobayashi, M. et al. Preparation of Superconducting Y-Ba-Cu-O Thin Films by Mo-Cvd. MRS Online Proceedings Library 169, 573–576 (1989). https://doi.org/10.1557/PROC-169-573