AsxSe100-x system (0 < or = x < or = 16) studied by StepScan DSC and Raman spectroscopy

Thermal properties of glassy AsxSe100-x system (x = 0, 1, 2, 4, 8, 16) were studied by means of novel calorimetric method StepScan DSC. This method allows separating both reversible (fast) and kinetic (slow) processes. The glass transition temperature, independent of thermal history of glass, was de...

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Published in:Journal of Optoelectronics and Advanced Materials 2007-07, Vol.9 (7), p.1979-1984
Main Authors: Holubova, J, Cernosek, Z, Cernoskova, E
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container_end_page 1984
container_issue 7
container_start_page 1979
container_title Journal of Optoelectronics and Advanced Materials
container_volume 9
creator Holubova, J
Cernosek, Z
Cernoskova, E
description Thermal properties of glassy AsxSe100-x system (x = 0, 1, 2, 4, 8, 16) were studied by means of novel calorimetric method StepScan DSC. This method allows separating both reversible (fast) and kinetic (slow) processes. The glass transition temperature, independent of thermal history of glass, was determined from reversible part of StepScan DSC record. The Raman spectra of glasses studied are discussed, especially the assignment of band in the high-energy part of spectrum in the range 200-300 cm-1. The attention was also focused on the crystallization of undercooled melts of this system.
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title AsxSe100-x system (0 < or = x < or = 16) studied by StepScan DSC and Raman spectroscopy
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