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Electrtic transport properties and the size effect in ZrO2-based ceramic materials

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Abstract

Amorphous nanomaterials in the ZrO2-CeO2 system are synthesized. The aging and crystallization processes in a complex zirconium-cerium hydrogel are investigated. Powders with a crystal size of 45–100 nm are prepared. Samples having a porosity of less than 2.2% are produced from the powders. It is demonstrated that tetragonal zirconia-based solid solutions Zr1−x CexO2−δ sintered at a temperature of 1500°C possess ionic conductivity in air and in noble gasses. The assumptions are made regarding the mechanisms of ionic (surface anionic) and electronic (hopping) conduction in samples of the 88ZrO2 · 12CeO2 (mol %) composition. The solid solutions prepared can be used at a temperature of 720°C as high-strength inexpensive solid electrolytes.

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Authors and Affiliations

  1. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, ul. Odoevskogo 24/2, St. Petersburg, 199155, Russia

    V. B. Glushkova, V. P. Popov & P. A. Tikhonov

  2. Institute of Physicochemical Problems in Ceramic Materials, Russian Academy of Sciences, Moscow, Russia

    L. I. Podzorova & A. A. Il’icheva

Authors
  1. V. B. Glushkova
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  2. V. P. Popov
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  3. P. A. Tikhonov
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  4. L. I. Podzorova
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  5. A. A. Il’icheva
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Additional information

Original Russian Text © V.B. Glushkova, V.P. Popov, P.A. Tikhonov, L.I. Podzorova, A.A. Il’icheva, 2006, published in Fizika i Khimiya Stekla.

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Glushkova, V.B., Popov, V.P., Tikhonov, P.A. et al. Electrtic transport properties and the size effect in ZrO2-based ceramic materials. Glass Phys Chem 32, 587–590 (2006). https://doi.org/10.1134/S1087659606050142

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  • DOI: https://doi.org/10.1134/S1087659606050142

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