Abstract
The displacement-type ferroelectric phase transition is considered from the point of view of a loss in the lattice stability. An attempt is made to analyze the state using the methods of the theory of engineering cybernetics. The results of an analysis of a one-dimensional model of a crystal, and the results of the behavior of the transverse mode of oscillations of the lattice are presented.
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V. V. Solodovnikov (editor), Engineering Cybernetics, Book 1 [in Russian], Mashinostroenie (1967).
B. J. Dick and A. W. Overhouser, Phys. Rev.,112, 90 (1959).
V. V. Demyanov and S. P. Solov'ev, Zh. Eksper. Teor. Fiz.,54, 1542 (1968).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 56–60, December, 1972.
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Pluzhnikov, V.M., Tokarev, A.I. & Ivanov, P.G. A method of analyzing stability in dielectrics. Soviet Physics Journal 15, 1736–1739 (1972). https://doi.org/10.1007/BF00893073
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DOI: https://doi.org/10.1007/BF00893073