Substutited molybdates of bismuth on a basis of Bi 13 Mo 5 O 34±δ : production and properties

Z. A. Mikhailovskaya; E. S. Buyanova; S. A. Petrova; R. G. Zakharov

doi:10.15826/chimtech.2014.1.1.679

Substutited molybdates of bismuth on a basis of Bi₁₃Mo₅O_34±δ: production and properties

Z. A. Mikhailovskaya, E. S. Buyanova, S. A. Petrova, R. G. Zakharov

Abstract

The present work is devoted to the investigation of the methods of a synthesis and properties of the one of the most interesting one-dimensional oxygen –ion conductors, the Bi₁₃Mo₅O_34±_δ –based complex oxides. The general compositions of these bismuth molybdates are Bi₁₃Mo_5-_хMe_хO_34-_δ, and Bi_13-yMe_yMo₅O_34-_δ, with Me = Mg, Ca, Sr, Ba (IIA group) and Co, Fe, Ni (Fe triade). The samples have been synthesized using conventional ceramic technology. The powders and pellets of the bismuth molybdates were studied by X-Ray diffraction, scanning electron microscopy, laser dispersion, dilatometry, atom absorption and inductively-coupled plasma atomic emission spectrometry. Electrical conductivity has been studied using impedance spectroscopy method.

Keywords

bismuth molybdates; oxygen-ionic conductivity; ion transport; x-ray diffraction; electron microscopy

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DOI: https://doi.org/10.15826/chimtech.2014.1.1.679

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Chimica Techno Acta, 2014-2023
ISSN 2411-1414 (Online)
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