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Effect of iron oxide on the properties of La0.9Sr0.1ScO3-α protonics

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Abstract

The effect of doping on the transport properties of solid electrolytes La0.9Sr0.1ScO2.95 + x FeO1.5 (x = 0.1–15.0 wt % FeO1.5) has been elucidated by investigating the electrical conductivity of these materials by the four-probe method and the impedance method as a function of external parameters, namely, temperature T (150–900°C), oxygen partial pressure \(p_{O_2 } \) (0.21 × 104–10−15 Pa), and humidity \(p_{H_2 O} \) (0.04–2.35 kPa). Samples of the solid electrolytes have been investigated using X-ray powder diffraction, electron microscopy, and Mössbauer spectroscopy.

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Authors and Affiliations

  1. Institute of High Temperature Electrochemistry, Ural Branch of the Russian Academy of Sciences, ul. Akademicheskaya 20, Yekaterinburg, 620990, Russia

    A. Yu. Stroeva, V. P. Gorelov & A. V. Kuz’min

  2. Ural Federal University named after the First President of Russia B. N. Yeltsin, ul. Mira 19, Yekaterinburg, 620002, Russia

    A. V. Kuz’min

  3. Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, ul. Kutateladze 18, Novosibirsk, 630128, Russia

    V. G. Ponomareva & S. A. Petrov

  4. Novosibirsk National Research University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    V. G. Ponomareva

Authors
  1. A. Yu. Stroeva
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  2. V. P. Gorelov
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  3. A. V. Kuz’min
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  4. V. G. Ponomareva
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  5. S. A. Petrov
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Corresponding author

Correspondence to A. Yu. Stroeva.

Additional information

Original Russian Text © A.Yu. Stroeva, V.P. Gorelov, A.V. Kuz’min, V.G. Ponomareva, S.A. Petrov, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 7, pp. 1309–1314.

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Stroeva, A.Y., Gorelov, V.P., Kuz’min, A.V. et al. Effect of iron oxide on the properties of La0.9Sr0.1ScO3-α protonics. Phys. Solid State 57, 1334–1341 (2015). https://doi.org/10.1134/S1063783415070318

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  • DOI: https://doi.org/10.1134/S1063783415070318

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