Ion transport anomalies in glasses

Philipp Maass, Armin Bunde, and Malcolm D. Ingram
Phys. Rev. Lett. 68, 3064 – Published 18 May 1992
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Abstract

A model for ion transport in glass is presented which is based on the experimental evidence that cations in glass create and maintain their own characteristic environments. By postulating the existence of a site memory effect, we are able to visualize the formation of conducting pathways. We develop a quantitative theory which explains the general occurrence of the mixed cation (alkali) effect in glassy material and, in addition, shows that the anomalous dependence of conductivity on the modifier content in single alkali glasses follows a simple power-law relation.

  • Received 10 February 1992

DOI:https://doi.org/10.1103/PhysRevLett.68.3064

©1992 American Physical Society

Authors & Affiliations

Philipp Maass, Armin Bunde, and Malcolm D. Ingram

  • Institut für Theoretische Physik, Universität Hamburg, Jungiusstrasse 9, D-2000 Hamburg 36, Germany
  • Department of Chemistry, University of Aberdeen, Old Aberdeen, Scotland

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Issue

Vol. 68, Iss. 20 — 18 May 1992

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