A Phenomenological Model of Structural Phase Transitions in RbDy(WO4)2статьяПеревод
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:A phenomenological model of structural phase transitions in double rubidium–dysprosium tungstate
is proposed. The model is constructed by equivariant catastrophe theory methods. The temperature
dependence of the heat capacity near the phase transitions at temperatures T1 = 9 K and T2 = 4.9 K was calculated. Comparison with the experimental data shows a satisfactory qualitative agreement. In terms of the proposed model, the low-temperature phase transition can be interpreted as isomorphic.