An intermediate monoclinic phase and electromechanical interactions in xPbTiO3-(1−x)Pb(Zn1/3Nb2/3)O3 crystals

被引：0
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作者：
V. Yu. Topolov
A. V. Turik
机构：
[1] Rostov State University,
来源：
Physics of the Solid State | 2002年 / 44卷
关键词：
Spectroscopy; State Physics; Phase Boundary; Cell Parameter; Unit Cell Parameter;
D O I：
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摘要：
The elastic matching of phases in the vicinity of the morphotropic phase boundary in xPbTiO3-(1−x)Pb(Zn1/3Nb2/3)O3 crystals is investigated in an external electric field with strength E ‖ [001]. The field dependences of the unit cell parameters of the monoclinic phase are determined experimentally in the range 0≤E≤2 MV/m. The results obtained are used in analyzing specific features in the electromechanical properties of xPbTiO3-(1−x)Pb(Zn1/3Nb2/3)O3 crystals (0.08≲x≲0.09), in which the monoclinic phase is intermediate between the rhombohedral and tetragonal phases and can coexist with these phases. A correlation between the optimum volume concentrations of domains or twins in different two-phases states is revealed and interpreted for the first time.
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页码：1355 / 1362
页数：7
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