Effect of Sn Addition on Thermal and Optical Properties of Pb₉Se₇₁Ge_20−𝑥Sn_𝑥  (8≤𝑥≤12) Glass

Table 1

The values of glass transition temperature, 𝐴 and 𝐵 constants from Lasocka formulation, and activation energy of samples by Kissinger and Moynihan approach.

𝑥	𝑇𝑔	Lasocka approach		Kissinger	Moynihan
		𝐴	𝐵 (min)	𝐸𝑔 (kJ/mol)	𝐸𝑔 (kJ/mol)
8	426.34	412.920	5.700	254.062	261.183
9	425.72	413.505	4.918	224.536	231.656
10	423.72	413.840	4.212	338.300	345.364
11	421.21	411.550	4.034	314.118	321.182
12	419.10	407.556	4.918	285.947	293.011