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Updated: Jan 24, 2026

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
Published on: January 26, 2016
Glassy dynamics predicted by mutual role of free and activation volumes
Wycliffe K Kipnusu1, Mohamed Elsayed, Ciprian Iacob
1GROC UJI, Institute of New Imaging Technologies, Department of Physics, Universitat Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain. wycliffe@uji.es.
Abstract:
Broadband Dielectric Spectroscopy (BDS) at elevated pressures and Positron Annihilation Lifetime Spectroscopy (PALS) are employed to elucidate the importance of the ratio of activation and free volumes during vitrification. We show that this ratio has a linear correlation with the structural relaxation of glass forming liquids in a wide temperature range hence engendering it as a vital input in the description of the dynamic glass transition.
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