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The effect of cationic doping on the ionic conductivity of rubidium nitrate

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Abstract

The conductivity of rubidium nitrate doped with barium nitrate in studied aimed at inserting cationic vacancies into the rubidium nitrate lattice. The conductivity of the RbNO3-II phase is shown to increase in proportion with the dopant concentration, which points to the formation of solid solutions and the increase in the concentration of cationic vacancies. The solubility of barium nitrate in phases RbNO3-III and IV is low; hence, the conductivity of these phases is virtually independent of the dopant content. The insignificant increase in conductivity of phase IV in the sample containing the high concentration of barium nitrate (1 mol %) is probably associated with the effect of the heterogeneous Ba(NO3)2.

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Authors and Affiliations

  1. Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630128, Russia

    A. A. Iskakova, N. F. Uvarov & B. B. Bokhonov

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    N. F. Uvarov

  3. Novosibirsk State Technical University, pr. K. Marksa 20, Novosibirsk, 630073, Russia

    N. F. Uvarov

Authors
  1. A. A. Iskakova
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  2. N. F. Uvarov
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  3. B. B. Bokhonov
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Corresponding author

Correspondence to A. A. Iskakova.

Additional information

Based on the paper presented at the XII Meeting “Fundamental Problems of Solid State Ionics”, Chernogolovka (Russia), July 3–5 2014.

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Iskakova, A.A., Uvarov, N.F. & Bokhonov, B.B. The effect of cationic doping on the ionic conductivity of rubidium nitrate. Russ J Electrochem 51, 508–512 (2015). https://doi.org/10.1134/S1023193515060075

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  • DOI: https://doi.org/10.1134/S1023193515060075

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