The magnetic states in the alloy $Fe_{34}Cr_{41}Co_{25}$ are investigated by the methods of M$\stackrel{..}{o}$ssbauer spectroscopy and thermomagnetic analysis. It is established that in the alloy, with various thermomagnetic treatments (at temperature of 610°C, H = 5000 Oe, and f = 70 Hz), stratification of the solid solution into antiferromagnetic, ferromagnetic and nonmagnetic phases occurs as a result of the separation of the intraphase segregations with the most probable configurations of the local atomic surroundings, the distribution of the relative proportions of which depends on the form of heat treatment.
Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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