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Formation of the phase composition of nonequilibrium samples prepared by rapid solidification of oxide melts

  • Proceedings of the International Symposium “Order, Disorder, and Properties of Oxides” (ODPO-11)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The number of phases in an equilibrium system p composed of t components is constrained by the Gibbs phase rule, which can be written as f = t + n − p − r, where f is the number of degrees of freedom; n is the number of thermodynamic parameters, determining the conditions of the system; and r is the number of compositional restrictions. To formally apply the Gibbs phase rule to such objects, the concept of a system with negative degrees of freedom was introduced in [1]. Their existence is related to the incorrect estimate of the aforementioned system parameters or the kinetic hindrance of the processes in the sample.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    V. I. Kosyakov

  2. Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    E. G. Tsvetkov

Authors
  1. V. I. Kosyakov
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  2. E. G. Tsvetkov
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Additional information

Original Russian Text © V.I. Kosyakov, E.G. Tsvetkov, 2009, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2009, Vol. 73, No. 8, pp. 1208–1213.

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Kosyakov, V.I., Tsvetkov, E.G. Formation of the phase composition of nonequilibrium samples prepared by rapid solidification of oxide melts. Bull. Russ. Acad. Sci. Phys. 73, 1147–1149 (2009). https://doi.org/10.3103/S1062873809080383

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  • DOI: https://doi.org/10.3103/S1062873809080383

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