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Ca3(VO4)2–LaVO4 Cation Conductors

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Abstract

Experimental data are presented on the electrical conductivity, ionic transference numbers, and phase transitions of Ca3 – x La2x/3(VO4)2 (0 ≤ x ≤ 1) vanadates, which are shown to be Ca ionic conductors. The highest Ca ion conductivity is found in Ca2La2/3(VO4)2 (palmierite structure) at low temperatures and in β"-Ca3(VO4)2 (whitlockite-like structure) at high temperatures. The mechanisms of Ca2+ transport are discussed.

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Authors and Affiliations

  1. Ural Division, Russian Academy of Sciences, Institute of Solid-State Chemistry, Pervomaiskaya ul. 91, Yekaterinburg, 620219, Russia

    I. A. Leonidov, O. N. Leonidova, L. L. Surat & R. F. Samigullina

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  1. I. A. Leonidov
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  2. O. N. Leonidova
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  3. L. L. Surat
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  4. R. F. Samigullina
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Leonidov, I.A., Leonidova, O.N., Surat, L.L. et al. Ca3(VO4)2–LaVO4 Cation Conductors. Inorganic Materials 39, 616–620 (2003). https://doi.org/10.1023/A:1024057405145

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