Effect of zero-point energy on the dielectric behavior of strontium titanate

被引：14

作者：

Yuan, M

Wang, CL

Wang, YX

Ali, R

Zhang, JL

机构：

[1] Shandong Univ, Sch Phys & Microelect, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[2] PLA Jinan Army Acad, Dept Phys, Jinan 250029, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2003年 / 127卷 / 06期

关键词：

ferroelectrics; dielectric response; phase transitions;

D O I：

10.1016/S0038-1098(03)00460-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Barrett formula has been obtained in the framework of the effective field approach by including the zero-point energy. By fitting with experimental data of dielectric constant of SrTiO3, we find that they agree in the whole temperature range fairly well if the zero-point energy is assumed to change from a small value at low temperature to a large value at high temperature. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：419 / 421

页数：3

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