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The Effect of Compositional Variation on Physical Properties of Te<sub>9</sub>Se<sub>72</sub>Ge<sub>19-X</sub>Sb<sub>x</sub> (X = 8, 9, 10, 11, 12) Glassy Material
Department of Physics, Centre of Excellence, Government Degree College Sanjauli, Shimla, India
Department of Physics, Himachal Pradesh University, Shimla, India
Department of Physics, Himachal Pradesh University, Shimla, India
- 1 Department of Physics, Centre of Excellence, Government Degree College Sanjauli, Shimla, India
- 2 Department of Physics, Himachal Pradesh University, Shimla, India
- 3 Department of Physics, Himachal Pradesh University, Shimla, India
New Journal of Glass and Ceramics·Volume 03 (2013)·Pages 91–98·Published 9 July 2013·DOI10.4236/njgc.2013.33015
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Abstract
The quaternary chalcogenide glass Te 9 Se 72 Ge 19-x Sb x (x = 8, 9, 10, 11, 12) has been prepared by the melt quench techni que. The material fragility increases due to decrease in degree of cross linking in glass matrix as the Sb content increases. The heat of atomization decreases due to lower value of heat of atomization of antimony. The glass transition temperature is calculated by Tichy - Ticha and Lankhorst approaches. The glass seems to have high value of glass transi tion temperature as per theoretical calculations and is monotonically decreasing with increasing Sb content because increasing concentration of Sb reduce s the cohesive energy and mean bond energy of the material.
KeywordsQuaternary Chalcogenide GlassHeat of AtomizationMean Bond EnergyGlass Transition Temperature
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