A new Vogel-like law: Ionic conductivity, dielectric relaxation, and viscosity near the glass transition

被引：77

作者：

Bendler, JT ^{[1
]}

Fontanella, JJ

Shlesinger, MF

机构：

[1] USN Acad, Dept Phys, Annapolis, MD 21402 USA

[2] Off Naval Res, Div Phys Sci, Arlington, VA 22217 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.87.195503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model is developed that describes temperature and pressure dependence of dielectric relaxation, ionic conductivity, and viscosity of glass-forming liquids near the glass transition temperature. The expressions for ionic conductivity are compared with experimental results for two polymer electrolytes. Those for dielectric relaxation are compared with data for poly(propylene oxide) and poly(vinyl acetate). The theoretical viscosity law is compared with experiment for propylene carbonate.

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页码：1 / 195503

页数：4

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