Fig. 1. XRD ω-2θ scan results for CdTe（b）Sample 1 to 7 XRD rocking curve

Fig. 2. （a）~（g）are SEM photos of CdTe samples 1~ 7

Fig. 3. Relationship between the density of pyramidal defects on the surface of different CdTe films and the beam ratio

Fig. 4. （a）and（d）are the plans of CdTe sample 2 and sample 6，（b）and（d）are the stereograms of CdTe sample 2 and sample 6，and（c）and（f）are the height change curves on any line on the surface of CdTe sample 2 and sample 6，respectively

Fig. 5. Raman image of CdTe samples 1~ 7

Fig. 6. Photoluminescence spectra of CdTe sample 2 and sample 6 at 9 K.