Abstract
The equilibrium equation is derived for an ordered phase for various types of superstructures. It is used to analyze the predictions of the Gorskii-Bragg-Williams model regarding the nature of the order-disorder transition. The stability boundaries of the ordered and disordered state are analyzed (for an equiatomic stoichiometry of the superstructure); these boundaries coincide with the lines of a second-order transition.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, No. 1, pp. 101–107, January, 1970.
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Paskal', Y.I., Valovskaya, L.I. Analysis of the Gorskii-Bragg-Williams model. Soviet Physics Journal 13, 79–84 (1970). https://doi.org/10.1007/BF00817228
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DOI: https://doi.org/10.1007/BF00817228