Heat capacity study of relaxor PbMg1/3Nb2/3O3 in a wide temperature range

被引：0
|
作者：
M. V. Gorev
I. N. Flerov
V. S. Bondarev
Ph. Sciau
机构：
[1] Russian Academy of Sciences,L. V. Kirensky Institute of Physics, Siberian Division
[2] CEMES-CNRS,undefined
来源：
Journal of Experimental and Theoretical Physics | 2003年 / 96卷
关键词：
Spectroscopy; State Physics; Differential Scanning Calorimetry; Heat Capacity; Field Theory;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Heat capacity of the PbMg1/3Nb2/3O3 compound is measured using the methods of adiabatic and differential scanning calorimetry in the temperature range 80–750 K. Two blurred anomalies on the Cp(T) dependence are observed in wide temperature intervals of 200–400 K and 500–700 K. The results of studies are discussed together with data on the structure and phonon spectrum in the framework of spherical random bond-random field model.
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页码：531 / 537
页数：6
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