The Effect of Bias Field on Dielectric Response in Lead Ferrotantalate Ceramics

被引：2

作者：

Bormanis, K. ^{[2
]}

Burkhanov, A. I. ^{[1
,3
]}

Vaingolts, A. I. ^{[1
,3
]}

Kalvane, A. ^{[2
]}

机构：

[1] Volgograd State Architectural Univ, Volgograd, Russia

[2] Univ Latvia, Inst Solid State Phys, Riga, Latvia

[3] Volgograd State Engn Univ, Volgograd, Russia

来源：

INTEGRATED FERROELECTRICS | 2011年 / 123卷

关键词：

Ferroelectrics; ceramics; dielectric properties; bias field;

D O I：

10.1080/10584587.2011.570673

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Studies of dielectric properties of PbFe1/2Ta1/2O3 ceramics at low- and infra-low-frequencies under bias field over a wide range of temperatures are reported. Applied bias field is found to broaden the epsilon'(T) maxima shifting positions T-m of the maximums to higher temperatures. Additional anomalies in the dielectric response are revealed at T<T-m. The anomalies in the vicinity of T-m are related to structural change at phase transition, while those observed at T << T-m - to magneto-electric interactions in PbFe1/2Ta1/2O3.

引用

页码：144 / 147

页数：4

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