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Ionic conductivity in the Lu2O3-TiO2 system

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Abstract

Nanocrystalline Lu2O3-TiO2 (33.3–44 mol % Lu2O3) materials with a partially disordered pyrochlore structure, prepared via heat treatment in the range 1400–1750°C, are found to possess high oxygen ionic conductivity. Their 740°C conductivity is 10-3 to 10-2 S/cm, depending on the heat-treatment temperature and composition, which is comparable to that of the well-known fluorite solid electrolyte ZrO2-9 mol % Y2O3.

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REFERENCES

  1. Goodenough, J.B., Oxide-Ion Conductors by Design, Nature (London), 2000, vol. 404, p. 821.

    CAS  Google Scholar 

  2. Boivin, J.C. and Mairesse, G., Recent Material Developments in Fast Oxide Ion Conductors, Chem. Mater., 1998, vol. 10, p. 2870.

    CAS  Google Scholar 

  3. Tuller, H.L., Kramer, S.A., Spears, M.A., and Pal, U.B., US Patent 5509189, 1996.

  4. Moon, P.K. and Tuller, H.L., Evaluation of the Gd2(ZrTi1 - x )2O7 Pyrochlore System as an Oxygen Gas Sensor, Sen. Actuators, B, 1990, vol. 1, pp. 199–202.

    Google Scholar 

  5. Masasi Mori, Tompsett, G.M., Sammes, N.M., et al., Compatibility of GdxTi2O7 Pyrochlores (1.72 < x < 2.0) as Electrolytes in High-Temperature Solid Oxide Fuel Cell, Solid State Ionics, 2003, vol. 158, pp. 79–90.

    Google Scholar 

  6. Shlyakhtina, A.V., Shcherbakova, L.G., and Knotko, A.V., Study of New Order-Disorder Structural Transitions in Ln2M2O7 (Ln = Lu, Gd; M = Ti), Ferroelectrics, 2003, vol. 294, pp. 175–190.

    CAS  Google Scholar 

  7. Shlyakhtina, A.V., Shcherbakova, L.G., Knotko, A.V., and Steblevskii, A.V., Study of the Fluorite-Pyrochlore-Fluorite Phase Transitions in Ln2Ti2O7 (Ln = Lu, Yb, Tm), J. Solid State Electrochem., 2004, no. 8/9, pp. 661–667.

  8. Shlyakhtina, A.V., Karyagina, O.K., and Shcherbakova, L.G., Order-Disorder Transformations in Ln2Ti2O7 (Ln = Lu, Yb, Tm, Gd), Neorg. Mater., 2004, vol. 40, no.1, pp. 67–74 [Inorg. Mater. (Engl. Transl.), vol. 40, no. 1, pp. 59–65].

    Article  Google Scholar 

  9. Queyroux, F., Sur la formation de composés nouveaux dans les systèmes oxyde de titan-oxydes de terres rares, C. R. Seances Acad. Sci., Ser. C, 1964, vol. 259, pp. 1527–1529.

    CAS  Google Scholar 

  10. Izumi, F., The Rietveld Method, Oxford: Oxford Univ. Press, Yong. R.A., Ed., 1993.

    Google Scholar 

  11. Brixner, L.H., Preparation and Properties of the Ln2Ti2O7 Type Rare Earth Titanates, Inorg. Chem., 1964, vol. 3/7, p. 1065.

    Google Scholar 

  12. Van Dijk, M.P., de Vries, K.J., and Burggraaf, A.J., Oxygen Ion and Mixed Conductivity in Compounds with Fluorite and Pyrochlore Structures, Solid State Ionics, 1983, vol. 9/10, pp. 913–920.

    Google Scholar 

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Translated from Neorganicheskie Materialy, Vol. 41, No. 3, 2005, pp. 324–331.

Original Russian Text Copyright © 2005 by Shlyakhtina, Mosunov, Stefanovich, Knotko, Karyagina, Shcherbakova.

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Shlyakhtina, A.V., Mosunov, A.V., Stefanovich, S.Y. et al. Ionic conductivity in the Lu2O3-TiO2 system. Inorg Mater 41, 264–271 (2005). https://doi.org/10.1007/s10789-005-0121-1

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  • DOI: https://doi.org/10.1007/s10789-005-0121-1

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