IONIC TRANSPORT IN OXIDE GLASSES AND FREQUENCY-DEPENDENCE OF CONDUCTIVITY

被引:109
作者
KAHNT, H
机构
来源
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 1991年 / 95卷 / 09期
关键词
DIFFUSION; GLASSES; STATISTICAL MECHANICS; TRANSPORT PROPERTIES;
D O I
10.1002/bbpc.19910950913
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
Current models attribute the power law frequency dependence of ionic conductivity in oxide glasses alternatively to structural disorder or to interactions between moving ions. To distinguish between the influence of disorder and of interaction the frequency dependence of conductivity was investigated for three different series of glasses that have been selected according to special considerations on network structure and bonding of alkali ions. It was shown that the frequency response is independent of alkali concentration and structure. This result is discussed in terms of Coulomb interactions between mobile charged point defects and favours the jump relaxation model of Funke.
引用
收藏
页码:1021 / 1025
页数:5
相关论文
共 37 条
[1]  
AMEY WG, 1949, ASTM P, V49, P1079
[2]   EFFECT OF DISORDER ON DIFFUSION AND VISCOSITY IN CONDENSED SYSTEMS [J].
AVRAMOV, I ;
MILCHEV, A .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1988, 104 (2-3) :253-260
[3]   Dispersion and absorption in dielectrics I. Alternating current characteristics [J].
Cole, KS ;
Cole, RH .
JOURNAL OF CHEMICAL PHYSICS, 1941, 9 (04) :341-351
[4]   DIELECTRIC RELAXATION IN GLYCEROL, PROPYLENE GLYCOL, AND NORMAL-PROPANOL [J].
DAVIDSON, DW ;
COLE, RH .
JOURNAL OF CHEMICAL PHYSICS, 1951, 19 (12) :1484-1490
[5]   CONSTANT-PHASE-ANGLE AND POWER-LAW REGIMES IN THE FREQUENCY-RESPONSE OF A GENERAL DETERMINATE FRACTAL CIRCUIT [J].
DISSADO, LA ;
HILL, RM .
PHYSICAL REVIEW B, 1988, 37 (07) :3434-3439
[6]   SMALL-SIGNAL AC FREQUENCY-RESPONSE FUNCTIONS [J].
DISSADO, LA ;
HILL, RM .
SOLID STATE IONICS, 1987, 22 (04) :331-336
[8]   A MODEL FOR NON-DEBYE RELAXATION IN IONICALLY CONDUCTING GLASSES [J].
ELLIOTT, SR .
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 1989, 3 (1-2) :69-72
[9]   THE DIFFUSION-CONTROLLED RELAXATION MODEL FOR IONIC TRANSPORT IN GLASSES [J].
ELLIOTT, SR ;
OWENS, AP .
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 1989, 60 (06) :777-792
[10]   JUMP RELAXATION IN SOLID IONIC CONDUCTORS [J].
FUNKE, K .
SOLID STATE IONICS, 1988, 28 :100-107