Transport properties of metacomposites in eutectic MAO4–V2O5 systems (M = Ca, Sr; A = W, Mo)


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Abstract

Metal molybdates MMoO4 (M = Ca, Sr) and their composites with vanadium oxide V2O5 were synthesized. An X-ray diffraction analysis confirmed that the obtained molybdates were single-phase, and the heterogeneous systems were two-phase. The temperature dependences of the total conductivity of the composites were studied. The ion transport numbers in the {CaMoO4 · xV2O5} composites (x = 1–30 mol %) were studied by the EMF method. The conductivity of the composites at x ≤ 5 mol % was shown to be ionic. The conductivity of the composites was described using the mixing equation.

About the authors

E. A. Koteneva

Ural Federal University named after the first President of Russia B.N. Yeltsin

Email: Natalie.Pestereva@urfu.ru
Russian Federation, Yekaterinburg, 620002

N. N. Pestereva

Ural Federal University named after the first President of Russia B.N. Yeltsin

Author for correspondence.
Email: Natalie.Pestereva@urfu.ru
Russian Federation, Yekaterinburg, 620002

I. E. Animitsa

Ural Federal University named after the first President of Russia B.N. Yeltsin

Email: Natalie.Pestereva@urfu.ru
Russian Federation, Yekaterinburg, 620002

N. F. Uvarov

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch

Email: Natalie.Pestereva@urfu.ru
Russian Federation, Novosibirsk, 630128

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