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A physicochemical study of the perovskites MII(In2/3U1/3)O3 (MII = Sr, Ba) at low temperatures

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Abstract

The heat capacity of crystalline Sr(In2/3U1/3)O3 and Ba(In2/3U1/3)O3 in the range 80–350 K was determined by adiabatic vacuum calorimetry, and the thermodynamic functions of these compounds in the range from T → 0 to 350 K were calculated. The standard entropies of formation of these compounds at 298.15 K were calculated. The absolute entropies and standard entropies of formation of perovskites MII(AIII 2/3U1/3)O3 (MII = Sr, AIII = Sc, In, Fe; MII = Ba, AIII = Sc, In, Y, Nd-Lu) were estimated.

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Authors and Affiliations

  1. Lobachevsky Nizhni Novgorod State University, Nizhni Novgorod, Russia

    N. G. Chernorukov, A. V. Knyazev, N. N. Smirnova & A. V. Ershova

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  1. N. G. Chernorukov
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  2. A. V. Knyazev
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  3. N. N. Smirnova
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  4. A. V. Ershova
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Original Russian Text © N.G. Chernorukov, A.V. Knyazev, N.N. Smirnova, A.V. Ershova, 2009, published in Radiokhimiya, 2009, Vol. 51, No. 2, pp. 104–106.

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Chernorukov, N.G., Knyazev, A.V., Smirnova, N.N. et al. A physicochemical study of the perovskites MII(In2/3U1/3)O3 (MII = Sr, Ba) at low temperatures. Radiochemistry 51, 120–123 (2009). https://doi.org/10.1134/S1066362209020039

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  • DOI: https://doi.org/10.1134/S1066362209020039

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