Heat capacity and thermal expansion study of relaxor-ferroelectric Ba0.92Ca0.08Ti0.76Zr0.24O3

被引：7
作者：
Gorev, M
Flerov, I
Bondarev, V
Sciau, P
Savariault, JM
机构：
[1] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
[2] CNRS, CEMES, F-31055 Toulouse, France
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2004年 / 16卷 / 39期
关键词：
D O I：
10.1088/0953-8984/16/39/045
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Heat capacity and thermal expansion of the Ba0.92Ca0.08Ti0.76Zr0.24O3 compound is measured using the methods of adiabatic calorimetry and optic-mechanical dilatometry in the temperature range 100-370 K. Three blurred anomalies on the C-p(T) and alpha(T) dependencies are observed in the temperature range 200-360 K. The results of the studies are discussed together with data on the structure and dielectric properties in the framework of spherical random bond-random field model.
引用
收藏
页码：7143 / 7150
页数：8
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