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Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 44: Issue 5
DOI:
https://doi.org/10.1007/bf02547550
Authors:
M. Avramov
,
D. Petrović
,
S. Lukić
, and
S. Skuban

Abstract  

Results of thermal investigations of the amorphous five-component chalcogenide system Ge20As14(SexS1−x)52I14 are presented. Differential thermal analysis (DTA), derivative differential thermal analysis (DDTA), and dilatometry were employed to determine the temperatures of softening and partial crystallization of the samples. Thermal treatment of the samples at 1000°C and recording of the corresponding thermogravimetric (TG) and derivative thermogravimetric (DTG) curves allowed an elucidation of the full mechanism of their decomposition, which proceeds via seven characteristic phase transitions.

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