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Electrochemical synthesis of rare-earth metal (Eu, Nd) borides in molten salts

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Abstract

Rare-earth metal borides are widely used in different fields of modern techniques. Electrochemical synthesis at moderate temperatures (973–1023 K) is a cost-effective alternative to direct reaction techniques. The present work reports the mechanism and kinetics of boron and europium, boron and neodymium joint electrodischarge in chloride-fluoride molten systems. The optimum regimes of europium and neodymium borides electrodeposition are worked out on the base of voltammetric experiments. Europium compound is synthesized as a single-phase EuB6 product, while neodymium compounds is co-deposited as NdB4 and NdB6.

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Authors and Affiliations

  1. Institute of Chemistry, Kola Science Centre, Russian Academy of Sciences, Apatity, Murmansk oblast, 184209, Russia

    G. A. Bukatova & S. A. Kuznetsov

  2. Ecole Polytechnique, Mecanique Energetique, IUSTI, U.M.R.-C.N.R.S. 6595, Technopole de Chateau Gombert, 5 rue Enrico Fermi, 13453, Marseille Cedex 13, France

    S. A. Kuznetsov & M. Gaune-Escard

Authors
  1. G. A. Bukatova
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  2. S. A. Kuznetsov
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  3. M. Gaune-Escard
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Correspondence to S. A. Kuznetsov.

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Published in Russian in Elektrokhimiya, 2007, Vol. 43, No. 8, pp. 978–984.

The article was translated by the authors.

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Bukatova, G.A., Kuznetsov, S.A. & Gaune-Escard, M. Electrochemical synthesis of rare-earth metal (Eu, Nd) borides in molten salts. Russ J Electrochem 43, 929–935 (2007). https://doi.org/10.1134/S1023193507080113

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  • DOI: https://doi.org/10.1134/S1023193507080113

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