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Protonic and Oxygen Conduction of Perovskites ATi0.95M0.05O3 - α (A = Ca, Sr, Ba; M = Mg, Sc) in Humid Air

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Abstract

Measurements of the total conduction (450-1030°C) and transport numbers for ions and protons (450-850°C) of titanates ATi0.95M0.05O3 - α (A = Ca, Sr, Ba; M = Mg, Sc) in humid air are performed. Partial conductions (ionic, protonic, oxygen, hole) and their effective energies of activation are determined. The results are discussed within a model of separate transport of proton and oxygen ion.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 20, Yekaterinburg, 620219, Russia

    V. B. Balakireva

Authors
  1. V. B. Balakireva
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  2. V. P. Gorelov
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Balakireva, V.B., Gorelov, V.P. Protonic and Oxygen Conduction of Perovskites ATi0.95M0.05O3 - α (A = Ca, Sr, Ba; M = Mg, Sc) in Humid Air. Russian Journal of Electrochemistry 40, 530–536 (2004). https://doi.org/10.1023/B:RUEL.0000027624.78309.c2

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  • DOI: https://doi.org/10.1023/B:RUEL.0000027624.78309.c2

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