The variety of states of adsorbed water in heterogeneous materials and their dielectric response

Yuri Feldman*, Alexander Puzenko, Paul Ben Ishai, Anna Greenbaum, Yael Segev, Maria Vasilyeva, Yuri Gusev

*Corresponding author for this work

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

1 Scopus citations

Abstract

Whenever water interacts with another dipolar or charged entity, there exists a broadening of its dielectric relaxation peak. Often this broadening can be described by the phenomenological Cole-Cole (CC) spectral function. A new approach has been recently presented (A. Puzenko, P. Ben Ishai, and Y. Feldman, Phys. Rev. Letters 105, 037601-4 (2010)), which is based on the fractal nature of the time set of the interaction of the relaxing water dipoles with their encompassing matrix. It demonstrates a fundamental connection between the relaxation time, τ, the broadening parameter, α, and the Kirkwood-Froehlich correlation function B. The parameters B, τ and α were chosen as the coordinates of the new 3D space, wherein the evolution of the relaxation process, as a result of the variation of external macroscopic parameters (temperature, pressure etc.), will depict a trajectory. This trajectory is a result of the connection between the kinetic and the structural properties of water in the complex system.

Original languageAmerican English
Title of host publication4th International Symposium on Slow Dynamics in Complex Systems
Subtitle of host publicationKeep Going Tohoku
Pages344-350
Number of pages7
DOIs
StatePublished - 2013
Event4th International Symposium on Slow Dynamics in Complex Systems: Keep Going Tohoku - Sendai, Japan
Duration: 2 Dec 20127 Dec 2012

Publication series

NameAIP Conference Proceedings
Volume1518
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th International Symposium on Slow Dynamics in Complex Systems: Keep Going Tohoku
Country/TerritoryJapan
CitySendai
Period2/12/127/12/12

Keywords

  • Adsorbed Water
  • Anomalous Diffusion
  • Cole-Cole Spectral Function
  • Dielectric Relaxation
  • Porous Glasses

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