Chaotic behavior of light-assisted physical aging in arsenoselenide glasses

The theory of strange attractors is shown to be adequately applicable for analyzing the kinetics of light-assisted physical aging revealed in structural relaxation of Se-rich As-Se glasses below glass transition. Kinetics of enthalpy losses is used to determine the phase space reconstruction paramet...

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Bibliographic Details
Published in:Chaos (Woodbury, N.Y.) N.Y.), 2014-12, Vol.24 (4), p.043138-043138
Main Authors: Shpotyuk, O, Balitska, V, Kozdras, A, Hacinliyan, A S, Skarlatos, Y, Aybar, I Kusbeyzi, Aybar, O O
Format: Article
Language:English
Subjects:
AGING
ARSENIC SELENIDES
ATTRACTORS
CHAOS THEORY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Computer simulation
ENTHALPY
FLUCTUATIONS
Fractal analysis
FRACTALS
GLASS
KINETICS
MICROSTRUCTURE
PHASE SPACE
RELAXATION
SHRINKAGE
SIMULATION
Strange attractors
Variations
VISIBLE RADIATION
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Summary:The theory of strange attractors is shown to be adequately applicable for analyzing the kinetics of light-assisted physical aging revealed in structural relaxation of Se-rich As-Se glasses below glass transition. Kinetics of enthalpy losses is used to determine the phase space reconstruction parameters. Observed chaotic behaviour (involving chaos and fractal consideration such as detrended fluctuation analysis, attractor identification using phase space representation, delay coordinates, mutual information, false nearest neighbours, etc.) reconstructed via the TISEAN program package is treated within a microstructure model describing multistage aging behaviour in arsenoselenide glasses. This simulation testifies that photoexposure acts as an initiating factor only at the beginning stage of physical aging, thus facilitating further atomic shrinkage of a glassy backbone.
ISSN:1054-1500
1089-7682
DOI:10.1063/1.4903795