Abstract
The effect of a dc electric field on the phase transition process in lead scandotantalate single crystals differing in the degree of ion ordering has been studied by small-angle light scattering (SAS). The spontaneous phase transition occurring in these crystals is shown to be accompanied by a sharp SAS intensity peak indicating the percolation nature of this transition. A phase diagram in the field-temperature coordinates has been constructed for all the PST crystals studied in the work. The electric field and the temperature variation rate have been found to affect the SAS intensity.
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Translated from Fizika Tverdogo Tela, Vol. 42, No. 1, 2000, pp. 136–140.
Original Russian Text Copyright © 2000 by Kamzina, Kra\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)nik.
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Kamzina, L.S., Krainik, N.N. Effect of electric field on the percolation phase transition in lead scandotantalate single crystals. Phys. Solid State 42, 142–145 (2000). https://doi.org/10.1134/1.1131182
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DOI: https://doi.org/10.1134/1.1131182