Study of Glass Transition Temperature in Se-Te-Pb Glassy System Using Modified Gibbs-Di Marzio Law
DOI:
https://doi.org/10.61343/jcm.v3i02.143Keywords:
Chalcogenide Glass, DSC, Gibbs–Di Marzio Law, Glass transition temperatureAbstract
In this study, the modified Gibbs-Di Marzio law is used to ascertain glass transition temperature (Tg) in Se-Te-Pb glassy system. Herein, the amorphous Se80–xTe20Pbx (x = 0, 1 and 2) glasses are synthesized with melt-quenching process. The structural characterizations; surface morphology and amorphous nature of these samples were deduced using X-ray diffraction and scanning electron microscopy (SEM). Phase separation in SEM micrographs clearly reveal inhomogeneity and amorphous nature of primed chalcogenide alloys. Experimentally observed Tg via differential scanning calorimetry has been compared with theoretically calculated Tg using Gibbs–Di Marzio relation. Thus determined Tg are also compared with the other empirical approaches to analyse the utility of these approaches.
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Copyright (c) 2025 Anjali Sharma, Balbir Singh Patial, Vishakha Choudhary, Anjali Kapoor, Sakshi Devi, Nagesh Thakur
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Copyright© by the author(s). Published by journal of Condensed Matter. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
