The temperature relation of heat capacity of a solid: solution of $(NH_4)_2(BeF_4)_{0,63}(SO_4)_{0,37}$ is investigated in a temperature range of 80-300 K. A proposal about the existence of a new mechanism of dipole glass formation in solid solutions of ferrielectrics, which is associated with the spatial deorientation of the polar directions in the initial components of the mixture, is advanced on the basis of an analysis of the nature of the temperature behavior of the heat capacity of the cited compound.
Department of General Physics for Natural Science Faculties, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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