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Research Of Surface-Oxidation Epitaxy Of Nio Films On Cube Textured Ni Tapes, Dongqi Shi, Mihail Ionescu, Jeff Mckinnon, Wu Ming Chen, S. X. Dou
Research Of Surface-Oxidation Epitaxy Of Nio Films On Cube Textured Ni Tapes, Dongqi Shi, Mihail Ionescu, Jeff Mckinnon, Wu Ming Chen, S. X. Dou
Shi Xue Dou
Thin films of NiO were fabricated in air by surface-oxidation epitaxy (SOE) on biaxially-textured Ni substrate, for use as buffer layers for YBCO coated conductors. The surface-oxidation conditions such as the temperature and the reaction time, as well as the cooling rate, playa determining role in the process of epitaxial growth of the NiO layer. A continuous, biaxially-aligned textured NiO layer, was obtained for a 10 min oxidation in air at 1120°C,and acooling rate of 150 Klh. The roughness of the NiO layer is mostly controlled by a coarsening of some NiO grains .