Abstract
Mechanisms of switching of the spontaneous polarization vector in response to strong electric fields have been considered. It has been shown that the polarization switching can occur according to the mechanism of the loss of stability along with a change in the length of polarization vector or with a change in its direction. The conditions determining the mechanism of the loss of stability have been formulated. Using barium titanate as an example, it has been shown that, at a temperature of 327 K, the mechanism of the loss of stability changes. The results have been obtained using the topological method of cellular complexes, which was developed by the authors previously.
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Original Russian Text © B.M. Darinskii, A.P. Lazarev, A.S. Sigov, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 6, pp. 1143–1148.
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Darinskii, B.M., Lazarev, A.P. & Sigov, A.S. Polarization switching of multiaxial ferroelectrics in an electric field. Phys. Solid State 57, 1160–1165 (2015). https://doi.org/10.1134/S1063783415060098
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DOI: https://doi.org/10.1134/S1063783415060098