Temperature(in°C) Band gap energy (eV) Refractive index Extinction coefficient(min) Dielectric constantReal part Dielectric constantimaginary part PL intensityx106 (a.u)
350 3.062 2.60 0.045 7.02 0.291 0.30
400 3.598 2.63 0.005 6.98 0.179 0.22
450 3.680 2.64 0.002 6.95 0.171 1.46
500 3.661 2.68 0.003 7.19 0.153 6.46
550 3.702 2.64 0.004 6.95 0.129 1.43
Table 5: Optical parameters of In2O3 films deposited at different temperatures