A superconducting BiSrCaCuO thin film was grown on a SrTiO 3 (110) substrate at 660°C by sputtering a single target. The RHEED observation showed that the c -axis of the film meets at an angle of about 42° with the substrate surface. The XRD measurement showed that the film has a main peak at 2 θ=31.2°. From these results, the film is considered to chiefly consist of a 2212 phase with (117) orientation and/or a 2212/2223 superlattice phase with (118) orientation. The film surface has a stripelike texture which probably corresponds to the film orientation. The zero-resistivity temperature of the film was lower by 20 K than that of the film formed on the SrTiO 3 (100) substrate.
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Kuroda et al. (1990) studied this question.
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