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- Title
Non-isothermal crystallization kinetics of chalcogenide Se<sub>79</sub>Te<sub>20</sub>Pb<sub>1</sub> glass using differential scanning calorimetry technique.
- Authors
Patial, Balbir Singh; Himani; Thakur, Nagesh
- Abstract
In the present paper, the overall amorphous-crystallization transformation kinetics of chalcogenide Se79Te20Pb1alloy has been reported using differential scanning calorimetry technique under non-isothermal conditions at three different heating rates (5, 10 and 15 °C/min). Amorphous nature of the investigated alloy is verified using X-ray diffraction. The glass transition region has been investigated using three empirical approaches and consonance of these methods has been discussed. The apparent activation energy for glass transition and crystallization region has been deduced using different methods. The Avrami exponent of the investigated alloy indicates one dimension growth of the investigated glass. The deduced values of Hruby’s parameter and fragility index indicate that amorphous alloy has been formed from good glass forming liquids.
- Subjects
CHALCOGENIDES; CRYSTALLIZATION kinetics; DIFFERENTIAL scanning calorimetry; X-ray diffraction; GLASS transitions
- Publication
Indian Journal of Pure & Applied Physics, 2019, Vol 57, Issue 7, p498
- ISSN
0019-5596
- Publication type
Article