Abstract
This paper examines, in the mean-field approximation, the phase transitions in an elasto-isotropic cubic ferroelectric crystal with randomly distributed ring dislocations. It is found that a transition to the dipole-glass phase with chaotic, spontaneous unit-cell dipole moments, characterized by the Edwards-Anderson nonlocal parameter, precedes the transition to the ferroelectric phase. Also determined are the features of the thermodynamic parameters of the crystal at the phase-transition points.
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Zh. Éksp. Teor. Fiz. 116, 986–1000 (September 1999)
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Timonin, P.N. The intermediate glassy phase in a ferroelectric with dislocations. J. Exp. Theor. Phys. 89, 525–532 (1999). https://doi.org/10.1134/1.559011
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DOI: https://doi.org/10.1134/1.559011