Abstract
Films of c-axis textured YBa2Cu3O7-x (YBCO) were grown on (1 0 0) oriented yttria stabilized zirconia substrates by high pressure glow discharge sputtering. The influence of substrate temperature on the texture and superconducting properties of the films is reported. X-ray pole figure analysis has shown that a c-axis orientation of the film normal to the substrate surface occurs at an optimized substrate temperature of 953 K. HREM investigation revealed that the deposited material nucleates and grows as YBCO with a large amount of stacking faults and with a few Y2BaCuO5 particles. A dominant cube-to-cube orientation relationship is found between the YBCO film and the substrate.
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