Non-Debye dielectric response and non-arrhenius kinetics in complex systems at mesoscale

Yu Feldman, A. Puzenko, Ya Ryabov, A. Gutina

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The paper considers several examples of non-Debye dielectric response in complex heterogeneous media. The percolation phenomenon and Cole-Cole relaxation in disordered matter are discussed in detail. The models enable us to establish the relationship between the parameters of dielectric relaxation broadening, structural properties of the media and transport features of charge carriers in the considered systems. In addition, the origins of "strange kinetic" phenomena and the specific features of relaxation kinetics in systems with different kinds of confinements are discussed in the paper. In contrast to the usual Arrhenius or Vogel-Fulcher-Tammann patterns, a quite unusual non-monotonic dependence of relaxation time versus temperature is observed in such systems. Based on the free volume concept, a model for this type of kinetics was illustrated by several particular examples: water confined in porous glasses and doped ferroelectric crystal.

Original languageEnglish
Title of host publicationSlow Dynamics in Complex Systems
Subtitle of host publication3rd International Symposium on Slow Dynamics in Complex Systems
EditorsMichio Tokuyama, Irwin Oppenheim
PublisherAmerican Institute of Physics Inc.
Pages527-532
Number of pages6
ISBN (Electronic)0735401837
DOIs
StatePublished - 30 Apr 2004
Event3rd International Symposium on Slow Dynamics in Complex Systems - Sendai, Japan
Duration: 3 Nov 20038 Nov 2003

Publication series

NameAIP Conference Proceedings
Volume708
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Slow Dynamics in Complex Systems
Country/TerritoryJapan
CitySendai
Period3/11/038/11/03

Bibliographical note

Publisher Copyright:
© 2004 American Institute of Physics.

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