Figure 1 shows the absorption coefficient for several direct and indirect bandgap semiconductors. Analyses these figure
Posted: Sat Jul 09, 2022 11:55 am
Figure 1 shows the absorption coefficient for several direct and indirect bandgap semiconductors. Analyses these figure in term of indirect bandgap materials. ABSORPTION COEFFICIENT (cm) 106 105 104 10³ 10² 10 0.2 3 GaP 2 Si 0.6 PHOTON ENERGY (CV) 1.5 GaAs InP Figure 1 In0.53 Ga0.47As 1.4 WAVELENGTH (μm) 0.7 1.8