Critical nature of the giant field-induced pyroelectric response in Pb(Mg1/3Nb2/3)O3-xPbTiO3 single crystals

被引：47
作者：
Raevskaya, S. I.
Zakharov, Yu. N.
Lutokhin, A. G.
Emelyanov, A. S.
Raevski, I. P.
Panchelyuga, M. S.
Titov, V. V.
Prosandeev, S. A.
机构：
[1] So Fed Univ, Dept Phys, Rostov Na Donu 344090, Russia
[2] So Fed Univ, Inst Phys Res, Rostov Na Donu 344090, Russia
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1063/1.2966147
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study the E-T phase diagram and dynamical pyroelectric coefficient of an (001)-oriented flux-grown 0.8Pb(Mg1/3Nb2/3)O-3-0.2PbTiO(3) single crystal. We found that the highest pyroelectric coefficient can be achieved at the point having quasicritical features. These data establish a quasicritical behavior of the field-induced pyroelectric coefficients in relaxors. (C) 2008 American Institute of Physics.
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