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Ionic Conductivity of Solid Solutions and Composites Based on Sm2W3O12

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Abstract

The conductivity of samples based on Sm2W3O12 obtained by using homogeneous (solid solutions Sm2 –xМxW3O12 – 0.5x, where М = Ca, Zn) and heterogeneous (composites (1 – φ)Sm2W3O12–φWO3) doping is studied. The introduction of 1 mol % М2+ into the Sm3+ sublattice increases the conductivity by a factor 1.5–2; the introduction of a larger amount of М2+ produces multiphase samples. The heterogeneous doping of the oxygen-ion conductor Sm2W3O12 by tungsten oxide increases the ionic conductivity more than 10 times.

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ACKNOWLEDGMENTS

In our studies, we used the research instruments of the Ural Center of Collective Use “Modern Technologies” of the Ural Federal University.

Funding

The studies were carried out within the frames of the State Program of the Ministry of Science and Higher Education of the Russian Federation, project 4.6653.2017/8.9.

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Authors and Affiliations

  1. Ural Federal University named after the First President of Russia B.N. Yeltsin, 620002, Yekaterinburg, Russia

    A. F. Guseva, N. N. Pestereva, E. L. Vostrotina, D. D. Otcheskikh & D. A. Lopatin

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  1. A. F. Guseva
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  2. N. N. Pestereva
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  3. E. L. Vostrotina
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  4. D. D. Otcheskikh
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  5. D. A. Lopatin
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Corresponding author

Correspondence to N. N. Pestereva.

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The authors declare the absence of any conflict of interests.

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Translated by T. Safonova

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Guseva, A.F., Pestereva, N.N., Vostrotina, E.L. et al. Ionic Conductivity of Solid Solutions and Composites Based on Sm2W3O12. Russ J Electrochem 56, 447–451 (2020). https://doi.org/10.1134/S1023193520050031

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  • DOI: https://doi.org/10.1134/S1023193520050031

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