Abstract
Compact CaZr0.9Y0.1O3–δ (CZY) film on a porous SrTi0.8Fe0.2O3–δ (STF) support is obtained using the technique of deposition from solutions of inorganic salts in ethanol. According to the data of scanning electron microscopy (SEM), the film has a nanoporous granular structure with the grain size of 0.2 to 1 μm. The thickness of the CZY film on the STF support is about 3 μm after 15-fold solution application. The results of studying the elemental composition showed that elements of the support diffuse into the film in the course of synthesis. Analysis of the data of impedance spectroscopy shows that conductivity of the CZY film is limited the grain bulk. It is assumed that the comparatively low conductivity activation energy of the film (50.3 kJ/mol) is due to diffusion of elements of the STF support that results in variation of the film composition and properties.
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Original Russian Text © L.A. Dunyushkina, V.M. Kuimov, A.A. Pankratov, O.G. Reznitskikh, A.Sh. Khaliullina, 2016, published in Elektrokhimiya, 2016, Vol. 52, No. 11, pp. 1186–1192.
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Dunyushkina, L.A., Kuimov, V.M., Pankratov, A.A. et al. Synthesis, microstructure, and electric properties of CaZr0.9Y0.1O3 – δ films obtained on porous SrTi0.8Fe0.2O3 – δ supports. Russ J Electrochem 52, 1057–1063 (2016). https://doi.org/10.1134/S1023193516110033
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DOI: https://doi.org/10.1134/S1023193516110033