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Thermodynamic properties of Ge-Mn melts

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Abstract

The enthalpies of mixing of Ge-Mn melts are determined in the range 1550–1840 by isoperibol calorimetry.The formation of these melts is shown to be accompanied by significant heat release: Δmix H max = -25.12 ± 1.4 kJ/mol at x Mn = 0.7. Ge activity is evaluated from the position of the liquidus line. The Mn and Ge activities in this system exhibit negative deviations from Raoult’s law. The new and earlier data on the thermodynamic properties of Ge-Mn melts are analyzed.

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Authors and Affiliations

  1. Shevchenko National University, Vladimirskaya ul. 64, 03033, Kiev, Ukraine

    N. V. Kotova, E. A. Beloborodova, T. N. Zinevich, V. N. Dubina & V. S. Sudavtsova

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  1. N. V. Kotova
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  2. E. A. Beloborodova
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  3. T. N. Zinevich
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  4. V. N. Dubina
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  5. V. S. Sudavtsova
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Translated from Neorganicheskie Materialy, Vol. 41, No. 2, 2005, pp. 240–245.

Original Russian Text Copyright © 2005 by Kotova, Beloborodova, Zinevich, Dubina, Sudavtsova.

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Kotova, N.V., Beloborodova, E.A., Zinevich, T.N. et al. Thermodynamic properties of Ge-Mn melts. Inorg Mater 41, 191–195 (2005). https://doi.org/10.1007/s10789-005-0042-z

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  • DOI: https://doi.org/10.1007/s10789-005-0042-z

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