Analytical Techniques Applied in Optimization of Electrophoretic Deposition of Thin Film YBCO Superconductors |
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Authors: | Maria Ochsenkühn-Petropoulou Rachel Argyropoulou Petros Tarantilis Nikos Deftereos Evagelos Kokkinos Klaus-Michael Ochsenkühn George Parissakis |
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Institution: | (1) Laboratory of Inorganic and Analytical Chemistry, Department of Chemical Engineering, National Technical University of Athens, Iroon Polytechniou 9, 15773 Athens, Greece, GR;(2) National Center for Scientific Research “Demokritos”, Aghia Paraskevi Attikis, 15310 Athens, Greece, GR |
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Abstract: | YBa2Cu3O
7−x
(x = 0.1–0.2) compounds (YBCO) were produced by the oxalate coprecipitation and the solid state reaction methods. The powders
obtained were used for the production of YBCO superconducting coatings on Pt/Si wafers, by the electrophoretic deposition
technique. The optimum process conditions for the production of both powders and coatings were found by using a combination
of modern analytical techniques. The thermal treatment of the samples was followed by thermogravimetry (TG) and differential
scanning calorimetry (DSC). The optimization and characterization of the superconducting properties of the powders and coatings
were achieved by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), optical microscopy, magnetic susceptibility
and electrical resistivity measurements. |
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Keywords: | : YBCO oxalate coprecipitation XRD SEM SQUID |
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