Thermal behavior of Jonscher's formalism in relaxor ferroelectrics showing diffuse phase transitions

被引：2
作者：
Noda, RL
Barranco, AP
Piñar, FC
机构：
[1] ICIMAF, CITMA, Ctr Ultrason, Bangkok 10400, Thailand
[2] Univ La Habana, Fac Fis, Inst Mat & Reactivos, Bangkok 10400, Thailand
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2005年 / 81卷 / 06期
关键词：
D O I：
10.1007/s00339-005-3287-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A theoretical study of the thermal behavior of the exponent s of Jonscher's power law in ferroelectric materials showing diffuse phase transitions (DPTs) is presented. The proposed model is applied to the experimental results of lanthanum-doped lead zirconate titanate ferroelectric ceramics. Both the proposed model and the experimental results show a critical point (a maximum) around the maximum of the dielectric loss factor, which moves to higher temperatures when the frequency increases, the typical behavior of a relaxor material with DPTs.
引用
收藏
页码：1237 / 1239
页数：3
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