Specific features in the ferroelectric properties of Sr0.75Ba0.25Nb2O6 crystals

被引：18

作者：

Gladkii, VV ^{[1
]}

Kirikov, VA ^{[1
]}

Volk, TR ^{[1
]}

Isakov, DV ^{[1
]}

Ivanova, ES ^{[1
]}

机构：

[1] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 119333, Russia

来源：

PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1626758

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The dielectric properties of strontium-barium niobate crystals with a strontium concentration of 0.75, which corresponds to the most smeared ferroelectric phase transition, were measured. The dielectric hysteresis loops and the polarization relaxation are shown to exhibit clearly pronounced features characteristic of crystals with structural disorder and a broad distribution of a random internal electric field. The measurements were performed in dc, slowly varying (quasi-static), and pulsed electric fields. The experimental data obtained are used to construct the distribution function for the coercive field in the crystal bulk. (C) 2003 MAIK "Nauka/Interperiodica".

引用

页码：2171 / 2177

页数：7

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