PHASE-TRANSITIONS IN PZT-95/5 CERAMICS STUDIED BY DIELECTRIC AND PYROELECTRIC MEASUREMENTS - UNUSUAL PROPERTIES IN THE VICINITY OF THE ANTIFERROELECTRIC-FERROELECTRIC PHASE-TRANSITION

被引：23

作者：

HANDEREK, J

UJMA, Z

机构：

[1] Inst. of Phys., Silesian Univ., Katowice

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 08期

关键词：

D O I：

10.1088/0953-8984/7/8/018

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The antiferroelectric-two ferroelectric (F-R(LT)-F-R(HT))-paraelectric phase sequence was ascertained in PZT-95/5 ceramics. Unusual behaviour of the temperature characteristics of electric permittivity, tan delta, remanent polarization and pyroelectric current was observed in the range of diffuse transition between the AFE and FE phases. The influence of external and internal bias electric fields as a possible reason for this behaviour is discussed.

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页码：1721 / 1728

页数：8

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