Comparative Study on Thermophysical Properties of Se–Zn–In and Se–Zn–Te–In Chalcogenide Glasses

Abstract

In modern society optoelectronics materials are used in common life owing to its verity of applications. Therefore it is important to have a comparative understanding on thermophysical properties of recent developed materials for their potential uses. This work demonstrate the comparative study of average coordination number r , glass forming ability (GFA), thermal stability factor (S), crystallization activation energy (E c , and heat capacity (C p for Se 98−x Zn 2 In x (X = 0 2 4 6 and 10) and Se 93−x Zn 2 Te 5 In x (X = 0 2 4 6 and 10) chalcogenide glasses. It has been noticed that the incorporation of fixed amount of Te with increasing In concentration influences the structural units and thermophysical properties of under test materials. The described thermophysical parameters values have been achieved higher and lower respectively in Se-Zn-In and Se-Zn-Te-In materials at chemically thresholds compositions.

Thermal analysis of novel third-generation phase-change materials with zinc as a chemical modifier

“…[11][12][13][14][15][16][17] These features compelled various research groups to utilize Zn as a modier for preparing multicomponent (binary and ternary) ChGs. [18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35] Mehta et al 18 compared the effective values of thermal diffusivity and corresponding thermal conductivity of binary Se 90 Zn 10 and Te 90 Zn 10 alloys and found that both parameters are lower for Se 90 Zn 10 alloy as compared to Te 90 Zn 10 alloy. The outcome of Zn addition on the number of defect states per unit volume in the parent Se 70 Te 30 sample was analyzed by Srivastava et al 19 by performing a.c. conductivity measurements.…”

“…The thermophysical and optical characterization of ternary Se 98−x In x Zn 2 and Se 93−x Te 5 In x Zn 2 (0 # x # 10) was done by Singh 25,26 for the comparison between these ternary and quaternary samples. Kishore et al 27 used FTIR spectra of ternary Se 72−x S 28 Zn x (0 # x # 4) for analyzing the inuence of Zn on the optical parameters of parent Se 72 S 28 glass and observed the signicant decrement in the optical gap by a small rise in the content of zinc.…”

“…11–17 These features compelled various research groups to utilize Zn as a modifier for preparing multicomponent (binary and ternary) ChGs. 18–35…”