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Magnesium-vapor reduction of niobium oxide compounds

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Abstract

The effect of precursor composition and reduction conditions on the characteristics of niobium powders obtained by magnesium reduction were studied. The hypothesis of the possible increase in the specific surface area of the powders by a large factor by using complex oxides as precursors was confirmed. With magnesium niobate Mg4Nb2O9 as the precursor, mesoporous powders, unprecedented in the world, with a specific surface area of up to150 m2 g–1 and an average pore size of 4.6 nm were produced.

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Authors and Affiliations

  1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Research Center, Russian Academy of Sciences, Apatity, Murmansk oblast, 184209, Russia

    V. M. Orlov, M. V. Kryzhanov & V. T. Kalinnikov

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  1. V. M. Orlov
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  2. M. V. Kryzhanov
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  3. V. T. Kalinnikov
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Correspondence to V. M. Orlov.

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Original Russian Text © V.M. Orlov, M.V. Kryzhanov, V.T. Kalinnikov, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 2, pp. 182–185.

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Orlov, V.M., Kryzhanov, M.V. & Kalinnikov, V.T. Magnesium-vapor reduction of niobium oxide compounds. Dokl Chem 465, 257–260 (2015). https://doi.org/10.1134/S0012500815110026

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  • DOI: https://doi.org/10.1134/S0012500815110026

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