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Influence of the surface on the equilibration kinetics of nonstoichiometric oxides

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Abstract

The reequilibration kinetics (redox kinetics) of oxides are discussed in terms of the point defects in nonstoichiometric crystals, and the role of the surface and near surface layer are emphasized. Segregation of a component preferentially to the surface may occur. This very thin segregated layer may change the near surface composition, structure, and electrical properties with a consequent effect on the reequilibration kinetics.

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Authors and Affiliations

  1. Research Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek, 30-239, Kraków, Poland

    J. Nowotny

  2. Center for Solid State Science, Arizona State University, Tempe, Arizona

    J. B. Wagner Jr.

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  1. J. Nowotny
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  2. J. B. Wagner Jr.
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Nowotny, J., Wagner, J.B. Influence of the surface on the equilibration kinetics of nonstoichiometric oxides. Oxid Met 15, 169–190 (1981). https://doi.org/10.1007/BF00603760

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  • DOI: https://doi.org/10.1007/BF00603760

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