Fig. 1. Cross section of HgCdTe with passivation layers

Fig. 2. Schematic diagram of thermal annealing under Hg pressure：A is HgCdTe sample，B is annealing source（With Hg），C is Quartz tube

Fig. 3. R₀ of HgCdTe devices with different Hg concentration

Fig. 4. Cd composition of HgCdTe epitaxial materials with different passivation layers

Fig. 5. XRD rocking curves of sample A and sample B

Fig. 6. Hall concentration（77 K）of Sample B with different depth

Fig. 7. Hg concentration in the ZnTe passivation layer before and after annealing

Fig. 8. Hg concentration in the CdTe passivation layer before and after annealing