Browsing by Author "Belous, A. G."

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    The structure and Ionic conductivity of Li0.5-yNayLa0.5 {Nb,Та}2O6 system
    (Видавництво Львівської політехніки, 2012) Kobylianska, S. D.; V’yunov, O. I.; Gavrilenko, O. N.; Belous, A. G.
    We have synthesized Li0.5–yNayLa0.5 Nb2O6 and Li0.5-yNayLa0.5 Ta2O6 defect perovskite solid solutions with 0 < y ≤ 0.5. Lithium ion diffusion in the investigated system exhibits no percolation effect. In the Li0.5-yNayLa0.5 Nb2O6 system, the ionic conductivity as a function of sodium content has a maximum due to two competing factors: the increase in perovskite cell volume and the decrease in lithium ion concentration. The ionic conductivity of Li0.5-yNayLa0.5 Ta2O6 samples decreases with sodium content.