Dielectric response in amorphous materials based on polar oxides:: PbTiO3, PbFe1/2Nb1/2O3 and PbMg1/3Nb2/3O3

被引：2
|
作者：
Korotkov, L [1 ]
Gridnev, S [1 ]
Klimentova, I [1 ]
Dvornikov, V [1 ]
Barmin, Y [1 ]
Kozhukhar, S [1 ]
Posmet'yev, V [1 ]
Urasov, D [1 ]
机构：
[1] Voronezh State Tech Univ, Voronezh 394026, Russia
来源：
FERROELECTRICS | 2004年 / 302卷
基金：
俄罗斯基础研究基金会;
关键词：
ferroelectrics; amorphous state; dielectric permittivity; X-ray diffraction; crystallization;
D O I：
10.1080/00150190490453658
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dielectric properties of PbTiO3, PbFe1/2Nb1/2O3 and PbMg1/3Nb2/3O3 in amorphous and crystallized states have been studied within a temperature range of 20-750 degreesC The anomalies of dielectric permittivity epsilon and dielectric losses tgdelta caused by crystallization process as well as processes in electron subsystem were revealed. The nature of these anomalies is discussed. The Pb-Pb distances in studied materials have been estimated using X-ray diffraction data.
引用
收藏
页码：433 / 438
页数：6
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