A Study of Structural and Photoluminescence for Al-Doped CdO Thin Films

Figure 3

SEM images of the surface of the Al-doped CdO thin films: (a) S-1, S-2, S-3, and S-4 groups and cross-sectional SEM images; (b) S-1, S-2, S-3, and S-4 groups.

(a)

(b)