Order-disorder transformations in ferromagnetic binary alloys

Order-disorder transformations in binary body-centered-cubic alloys with two ferromagnetic components are studied within the mean-field approximation. Only pairwise interactions between nearest neighbors are included. Special attention is given to the temperature dependence of the specific heat in several kind of alloys and discontinuities of the specific heat at the critical temperatures are calculated. Three different situations are analyzed; i.e., (i) 0 (spatialorder-disordercriticaltemperature)

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