Oriented Sm-doped CeO2 thin films on biaxially textured Ni-W substrate produced by ultrasonic spray deposition
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A new method of producing Sm-doped CeO2 thin films on metal substrates using an ultrasonic nebuliser has been developed and experimentally verified. Sm-doped CeO2 films with a thickness down to 50 nm and the required properties were consistently and cost effectively produced on Ni-W textured substrates. High film uniformity and c-axis crystal orientation were confirmed by electron microscopy and X-ray diffraction. Characteristics of films and elements valence states are discussed. Our results suggest that the techniques used are promising for further development of buffer layer formation for textured high-temperature superconducting tape applications.
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