Space and time scaling in glycerol-water mixtures

Alexander Puzenko; Yoshihito Hayashi; Yuri Feldman

doi:10.1016/j.jnoncrysol.2006.12.122

Space and time scaling in glycerol-water mixtures

Alexander Puzenko, Yoshihito Hayashi, Yuri Feldman^*

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The dielectric response of glycerol/water (G/W) mixtures in a wide frequency and temperature ranges is considered in terms of spatial dynamic heterogeneities. The minimal cooperative relaxation time τ₀ extracted from the dielectric 'excess wing' is associated with the main structural mesoscopic size L_m obtained by X-ray diffraction thereby providing clarification of the minimal unit structure responsible for the cooperative dynamics. The space and time scaling can be interpreted in terms of anomalous diffusion in the spanned percolation H-bonded networks.

Original language	American English
Pages (from-to)	4518-4522
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	353
Issue number	47-51
DOIs	https://doi.org/10.1016/j.jnoncrysol.2006.12.122
State	Published - 1 Dec 2007

Keywords

Dielectric properties, relaxation, electric modulus
Liquid crystals and molecular liquids
X-ray diffraction

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10.1016/j.jnoncrysol.2006.12.122

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abstract = "The dielectric response of glycerol/water (G/W) mixtures in a wide frequency and temperature ranges is considered in terms of spatial dynamic heterogeneities. The minimal cooperative relaxation time τ0 extracted from the dielectric 'excess wing' is associated with the main structural mesoscopic size Lm obtained by X-ray diffraction thereby providing clarification of the minimal unit structure responsible for the cooperative dynamics. The space and time scaling can be interpreted in terms of anomalous diffusion in the spanned percolation H-bonded networks.",

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AU - Hayashi, Yoshihito

AU - Feldman, Yuri

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N2 - The dielectric response of glycerol/water (G/W) mixtures in a wide frequency and temperature ranges is considered in terms of spatial dynamic heterogeneities. The minimal cooperative relaxation time τ0 extracted from the dielectric 'excess wing' is associated with the main structural mesoscopic size Lm obtained by X-ray diffraction thereby providing clarification of the minimal unit structure responsible for the cooperative dynamics. The space and time scaling can be interpreted in terms of anomalous diffusion in the spanned percolation H-bonded networks.

AB - The dielectric response of glycerol/water (G/W) mixtures in a wide frequency and temperature ranges is considered in terms of spatial dynamic heterogeneities. The minimal cooperative relaxation time τ0 extracted from the dielectric 'excess wing' is associated with the main structural mesoscopic size Lm obtained by X-ray diffraction thereby providing clarification of the minimal unit structure responsible for the cooperative dynamics. The space and time scaling can be interpreted in terms of anomalous diffusion in the spanned percolation H-bonded networks.

KW - Dielectric properties, relaxation, electric modulus

KW - Liquid crystals and molecular liquids

KW - X-ray diffraction

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JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 47-51

ER -

Space and time scaling in glycerol-water mixtures

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