Role of orientation disorder in the formation of fragility of glassy water and glycerol-like liquids

LISHCHUK, S. V., LOKOTOSH, T. V., MAGAZU', S., MALOMUZH, N. P. and MIGLIARDO, F. (2007). Role of orientation disorder in the formation of fragility of glassy water and glycerol-like liquids. Physical Review E (PRE), 76 (6), 061504.

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Official URL: https://journals.aps.org/pre/abstract/10.1103/Phys...
Link to published version:: https://doi.org/10.1103/PhysRevE.76.061504
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    Abstract

    The role of H bonds in the formation of the fragility and dielectric properties of highly viscous liquids is investigated. The heuristic supposition about the proportionality between the logarithm of the shear viscosity and oscillatory contributions to the mean-square displacement of a molecule is presented. Concrete calculations are carried out for the H-bond subsystem of the two-dimensional model lattice water. The conjecture on the interrelation between the phase transition in the subsystem of H bonds and the glassification point is formulated. It is shown that (i) the glassification temperature is proportional to the H-bonding energy and (ii) the fragilities of glycerol-like liquids differ from each other as a consequence of distinct interaction energies between H bonds. The existence of a close connection between the fragility parameter and dielectric permittivity is established.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology
    Identification Number: https://doi.org/10.1103/PhysRevE.76.061504
    Page Range: 061504
    Depositing User: Sergey Lishchuk
    Date Deposited: 15 Mar 2010 17:02
    Last Modified: 30 Apr 2019 11:08
    URI: http://shura.shu.ac.uk/id/eprint/1216

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