RF-MICROWAVE DIELECTRIC-RELAXATION SPECTROSCOPY OF XEROGEL NA0.33V2O5-1.6H2O

被引:5
作者
BADOT, JC
BAFFIER, N
机构
[1] Laboratoire de Chimie de la Matière Condensée, UA 302-CNRS, ENSCP, 75231 Paris Cédex 05
关键词
D O I
10.1016/0167-2738(90)90454-Y
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The dielectric properties of Na0.33V2O51.6H2O have been studied in a broad frequency range (103-1010Hz). The dielectric spectra exhibit: i)a low frequency effect due to the diffusion of Na+ cations; ii)two dielectric relaxations due to the two kinds of water (strongly and weakly bonded water); iii) a dielectric relaxation which would be due to a fast intrasite motion of Na+ cations. One explanation of these mechanisms with respect to the experimental results is proposed. © 1990.
引用
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页码:143 / 148
页数:6
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