Epitaxial growth and thermal dynamics of CeO2 buffer layer on textured Ni-W substrates for YBCO coated conductors

C. Y. Pan; C. B. Cai; L. L. Ying; Y. M. Lu; Z. Y. Liu; B. Gao; J. L. Liu

doi:10.1117/12.792279

11 March 2008 Epitaxial growth and thermal dynamics of CeO₂ buffer layer on textured Ni-W substrates for YBCO coated conductors

C. Y. Pan, C. B. Cai, L. L. Ying, Y. M. Lu, Z. Y. Liu, B. Gao, J. L. Liu

Author Affiliations +

Proceedings Volume 6984, Sixth International Conference on Thin Film Physics and Applications; 69840K (2008) https://doi.org/10.1117/12.792279
Event: Sixth International Conference on Thin Film Physics and Applications, 2007, Shanghai, China

Abstract

In present study, the biaxially textured CeO₂ buffer layers on Ni-W substrates have been prepared by chemical solution deposition (CSD) with cerium acetate as the starting precursor, mixed with solvents of Propionic acid, Isopropanol and Acetylacetone. Typical XRD θ-2θ scans and the pole figure display well out-of-plane and in-plane textures of CeO₂ films. SEM and AFM results suggest that the buffer layer have uniform and smooth surface. Meanwhile, the effects of heating rate on CeO₂ formation starting from the precursor solution have been studied using differential thermal analysis (DTA). And the further analysis is given by XRD results for precursor xrogel at the corresponding temperature. Detailed high temperature optical microscope (HTOM) photographs investigate the surface characteristics evolved with temperature.

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C. Y. Pan, C. B. Cai, L. L. Ying, Y. M. Lu, Z. Y. Liu, B. Gao, and J. L. Liu "Epitaxial growth and thermal dynamics of CeO₂ buffer layer on textured Ni-W substrates for YBCO coated conductors", Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69840K (11 March 2008); https://doi.org/10.1117/12.792279

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