The density of electron states of binary alloys with short-range order, calculated in the cluster approximation of the coherent-potential method, is used for determining the configuration part of the total energy of solid solutions. On the basis of this we estimated the sign of the short-range order parameter at the first coordination sphere in certain systems of transition elements. The values of these parameters for the majority of the alloys under study were found to be of the same sign as the experimental results, obtained by diffusive scattering methods.
Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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