Fig. 1. (a) Schematic diagram of composition distribution and band structure of HgCdTe with positive composition gradient; (b) Schematic diagram of composition distribution and band structure of HgCdTe with negative composition gradient

Fig. 2. The Effect of mercury loss rate on the composition distribution of HgCdTe films

Fig. 3. (a) The Effect of mercury loss rate on the composition distribution of HgCdTe with positive composition gradient; (b) The Effect of mercury loss rate on the composition distribution of HgCdTe with negative composition gradient

Fig. 4. (a) Photo of HgCdTe with positive composition gradient; (b) Photo of HgCdTe with negative composition gradient; (c) Surface morphology of HgCdTe with positive composition gradient; (d) Surface morphology of HgCdTe with negative composition gradient

Fig. 5. (a) The ω-scan HRXRD rocking curve of HgCdTe with positive composition gradient; (b) The ω-scan HRXRD rocking curve of HgCdTe with negative composition gradient

Fig. 6. (a) Infrared transmission spectra of HgCdTe LPE material; (b) Normalized infrared transmission spectra of HgCdTe LPE material

Fig. 7. (a) Infrared transmission spectra of HgCdTe with positive composition gradient after etching treatment; (b) Infrared transmission spectra of HgCdTe with negative composition gradient after etching treatment

Fig. 8. (a) SIMS profile of HgCdTe with positive composition gradient; (b) SIMS profile of HgCdTe with negative composition gradient