Dielectric properties of some borate glasses

被引：0
|
作者：
El-Hadi, Z.A. [1 ]
机构：
[1] Dept. of Chem., Coll. for Girls, Ainshams Univ., Cairo, Egypt
来源：
Journal of Materials Science and Technology | 2001年 / 17卷 / 02期
关键词：
Borate minerals - Dielectric properties - Enthalpy - Entropy - Thermal effects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The dielectric constant Ε′ and the dielectric loss Ε″ for some selected lead borate glasses within the frequency band 105 to 107 Hz and the temperature range (20-50°C) were measured. The dielectric dispersion and the dielectric loss absorption bands were observed. The relaxation time, the activation enthalpy and the entropy change of the dielectric relaxation were calculated. The results obtained were discussed and correlated to the internal network structure of the glasses studied.
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页码：278 / 282
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