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Microstructure, hardness, and electrical behavior of Y-doped CaZrO3 films prepared by chemical solution deposition

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Abstract

CaZr0.9Y0.1O3 − δ films were fabricated by chemical solution deposition on single-crystalline YSZ (ZrO2 doped by 10 mol% of Y2O3) substrates. Mechanical hardness and morphology of the films were studied using nano-indentation and atomic force microscopy techniques. Grain microstructure of the films has been shown to depend upon thermal treatment duration and film thickness. Thin films with grains a few times greater than the film thickness have been obtained. It has been shown that thickness of films can be evaluated by comparing of the indentation curves for the clean and coated by the film substrates. Mechanical hardness of the film has been found to be sensitive to the film grain microstructure. Electrical behavior of CaZr0.9Y0.1O3 − δ films studied by impedance spectroscopy strongly depends on the film microstructure.

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Acknowledgments

This work was supported by Russian Foundation for Basic Research (#11-08-00401).

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Authors and Affiliations

  1. Institute of High Temperature Electrochemistry, Russian Academy of Sciences Urals Branch, 20, Academicheskaya St., 620990, Ekaterinburg, Russia

    L. A. Dunyushkina, V. M. Kuimov & S. V. Plaksin

  2. Institute of Engineering Science, Russian Academy of Sciences Urals Branch, 34, Komsomolskaya St., 620990, Ekaterinburg, Russia

    E. O. Smirnova & S. V. Smirnov

Authors
  1. L. A. Dunyushkina
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  2. E. O. Smirnova
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  3. S. V. Smirnov
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  4. V. M. Kuimov
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  5. S. V. Plaksin
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Correspondence to L. A. Dunyushkina.

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Dunyushkina, L.A., Smirnova, E.O., Smirnov, S.V. et al. Microstructure, hardness, and electrical behavior of Y-doped CaZrO3 films prepared by chemical solution deposition. Ionics 19, 511–515 (2013). https://doi.org/10.1007/s11581-012-0769-x

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  • DOI: https://doi.org/10.1007/s11581-012-0769-x

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