Physics of the Solid State

, Volume 60, Issue 12, pp 2418–2423 | Cite as

H/D Isotope Effect in the Conductivity of CaZr1 – xScxO3 – α in Reducing Atmospheres

  • V. P. GorelovEmail author
  • V. B. Balakireva
  • A. V. Kuz’min


The ionic (proton and deuteron) conductivity of the system CaZr1 – xScxO3 – α (x = 0.03–0.20) is studied experimentally in H2 + H2O + N2 and D2 + D2O + N2 reducing atmospheres at pH2O = pD2O = 3.2 kPa and in the temperature range of 600–900°C. This system exhibits a considerable H/D isotopic effect in conductivity, and its magnitude is estimated. Using theoretical elaborations, we also estimate the magnitude of the thermodynamic isotope effect in the solubility of H2O/D2O in the considered system under reducing conditions.



The work was partially supported by the Ural Branch of the Russian Academy of Sciences (project no. 18-10-3-11).

In this work, we used facilities of the Shared Access Center “Composition of Compounds,” the Institute of High-Temperature Electrochemistry, the Ural Branch of the Russian Academy of Sciences.


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. P. Gorelov
    • 1
    Email author
  • V. B. Balakireva
    • 1
  • A. V. Kuz’min
    • 1
    • 2
  1. 1.Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of SciencesYekaterinburgRussia
  2. 2.Ural Federal University Named after the First President of Russia B.N. YeltsinYekaterinburgRussia

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