The dielectric response of the different binary mixtures of 1,2-propanediol and glycerol have been measured in a spectral range covering nine decades of frequency while the temperature varies from room temperature down to the glass transition temperature T-g. The relationship between the fragility, the stretching parameter and the decoupling between the conductivity and the alpha relaxation times measured by their ratio, tau(sigma)/tau(chi), has been analysed and compared to the experimental data on m-toluidine

Fragility, stretching parameters and decoupling effect on some supercooled liquids

CUTRONI, Maria;MANDANICI, Andrea;
2002

Abstract

The dielectric response of the different binary mixtures of 1,2-propanediol and glycerol have been measured in a spectral range covering nine decades of frequency while the temperature varies from room temperature down to the glass transition temperature T-g. The relationship between the fragility, the stretching parameter and the decoupling between the conductivity and the alpha relaxation times measured by their ratio, tau(sigma)/tau(chi), has been analysed and compared to the experimental data on m-toluidine
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11570/1585429
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