Abstract
Lithium ion mobility and the superionic phase transition in the Li0.12Na0.88Ta0.4Nb0.6O3 solid solution have been studied using temperature-dependent ionic conductivity measurements and Raman spectroscopy. From the temperature dependences of the conductivity and the width of a Raman line corresponding to Li+ and Na+ vibrations in the AO x (A = Na+, Li+) polyhedra, the average lifetime of the Li+ ion in its equilibrium position and the height of the barrier to hop** have been estimated at ≃3.9 × 10−13 s and ≃16 kJ/mol, respectively.
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Original Russian Text © N.V. Sidorov, M.N. Palatnikov, N.A. Teplyakova, 2014, published in Neorganicheskie Materialy, 2014, Vol. 50, No. 10, pp. 1149–1153.
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Sidorov, N.V., Palatnikov, M.N. & Teplyakova, N.A. Lithium ion conductivity and mobility in the Li0.12Na0.88Ta0.4Nb0.6O3 solid solution. Inorg Mater 50, 1063–1067 (2014). https://doi.org/10.1134/S0020168514090131
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DOI: https://doi.org/10.1134/S0020168514090131