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Thermodynamic calculations of phase equilibria in the neodymium-barium-copper-oxygen system at O2 pressures of 0.21 and 1 bar

  • Chemical Thermodynamics and Thermochemistry
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Abstract

The analytic equations for the Gibbs energy of Nd-Ba-Cu-O system phases obtained earlier were used to calculate the phase diagrams of the Ba0.5Cu0.5O-Nd0.5Cu0.5O section at oxygen partial pressures of 0.21 and 1 bar. For p(O2)= 0.21 bar, the coordinates of the nonvariant system points, the projection of the liquidus surface, and the phase diagram of the Nd1 + x Ba2 − x Cu3O6 + z compound in the subsolidus region were determined.

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Authors and Affiliations

  1. Faculty of Chemistry, Moscow State University, Moscow, Russia

    V. A. Lysenko

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  1. V. A. Lysenko
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Correspondence to V. A. Lysenko.

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Original Russian Text © V.A. Lysenko, 2009, published in Zhurnal Fizicheskoi Khimii, 2009, Vol. 83, No. 2, pp. 230–234.

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Lysenko, V.A. Thermodynamic calculations of phase equilibria in the neodymium-barium-copper-oxygen system at O2 pressures of 0.21 and 1 bar. Russ. J. Phys. Chem. 83, 167–171 (2009). https://doi.org/10.1134/S0036024409020046

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  • DOI: https://doi.org/10.1134/S0036024409020046

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