Diffuse ferroelectric phase transition in SrTiO3-BiScO3 system ceramics

被引：0

作者：

Ivanov, O. N. ^{[1
]}

Dan'shina, E. P. ^{[1
]}

Sirota, V. V. ^{[1
]}

Tuchina, Yu. S. ^{[1
]}

机构：

[1] Belgorod State Univ, Belgorod 308007, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2010年 / 36卷 / 11期

关键词：

Technical Physic Letter; Ceramic Sample; Dielectric Loss Tangent; Strontium Titanate; Ferroelectric Phase Transition;

D O I：

10.1134/S106378501011012X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ceramic samples of the (1-x)SrTiO3-(x)BiScO3 system with x = 0, 0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 have been synthesized for the first time. X-ray diffraction data showed that the samples with x = 0.2, 0.3, and 0.4 at room temperature comprise the mixture of two phases: (i) cubic nonpolar phase with Pm3m structure and (ii) tetragonal polar phase with P4mm structure. The temperature dependences of permittivity and dielectric loss tangent of these samples exhibit anomalies characteristic of ferroelectrics with diffuse phase transitions.

引用

页码：1012 / 1015

页数：4

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