Kinetics of a phase transition into an inhomogeneous state in a ferroelectric plate |
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| Authors: | B M Darinskii A P Lazarev A S Sigov |
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| Institution: | (1) Voronezh State Technical University, 394026 Voronezh, Russia;(2) Voronezh State University, 394693 Voronezh, Russia;(3) Moscow State Institute of Radio Engineering, Electronics, and Automation (Technical University), 117454 Moscow, Russia |
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| Abstract: | The kinetics of the emergence of a polarization vector field after a ferroelectric sample is rapidly cooled is investigated
in two cases, in which the rate of growth of the polarization vector is determined by viscous forces of phonon origin or by
the diffusion of charged particles. Analytic expressions are obtained for the rate of growth of the polarization vector and
the period of the inhomogeneous phase as a function of the degree of supercooling of the sample. The existence of a slow relaxation
process in the domain structure is established and the time dependence of this process is found.
Zh. éksp. Teor. Fiz. 114, 2238–2245 (December 1998) |
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