On the Kinetics Description of Below-Tg Structural Relaxation in Network Glass Formers

Valentina Balitska; Roman Golovchak; Oleh Shpotyuk

doi:10.4028/www.scientific.net/SSP.200.162

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On the Kinetics Description of Below-T_g Structural Relaxation in Network Glass Formers

Abstract:

Phenomenological description of below-T_g structural relaxation known as long-term natural physical ageing in network glass formers exemplified by chalcogenide glasses of binary arsenic selenides was adequately developed within formalism of first-order kinetics. This kinetics was shown to obey a character stretched exponential behavior being treated as sequence of aligning-shrinkage stages throughout glassy matrix.

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Solid State Phenomena (Volume 200)

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162-167

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https://doi.org/10.4028/www.scientific.net/SSP.200.162

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April 2013

Authors:

Valentina Balitska, Roman Golovchak, Oleh Shpotyuk

Keywords:

Double-Well Potential, Kinetic, Network Glass, Physical Ageing, Relaxation

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