Effect of electric field on the percolation phase transition in lead scandotantalate single crystals

被引：0
作者：
L. S. Kamzina
N. N. Krainik
机构：
[1] Russian Academy of Sciences,Ioffe Physicotechnical Institute
来源：
Physics of the Solid State | 2000年 / 42卷
关键词：
Spectroscopy; Phase Transition; State Physics; Phase Diagram; Temperature Variation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：142 / 145
页数：3
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