Figure 3.

TEM bright field image of the FIB thinned cross-section of ZnO/CdO nanorod. (a) At the top and (b) the body as well as (c, d, and e) nanodiffraction patterns at the local area labeled 1 (1^′), 2, and 3, which correspond to the ZnO core, CdO shells at tip, and at the side of ZnO nanorod, respectively.