Abstract
We prepared the superconducting Bi-Sr-Ca-Cu-O thin films on Y3Al5O12 (YAG) single crystal substrates by metal-organic chemical vapor deposition (MOCVD). This film of 50 nm thickness on a YAG substrate showed c-axis orientation clearly, and the zero-resistivity (Tc-zero) was achieved at 66 K. The film has the advantageous property of surface smoothness compared with the film fabricated on MgO and SrTiO3 single-crystal substrates. The surface property of the YAG substrate seems to influence the film quality.
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Kubota, N., Shiohara, Y. & Tanaka, S. Smooth surface of Bi-Sr-Ca-Cu-O thin films on the Y3Al5O12 (YAG) substrate. Journal of Materials Research 9, 1104–1111 (1994). https://doi.org/10.1557/JMR.1994.1104
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DOI: https://doi.org/10.1557/JMR.1994.1104