Zn Electrodeposition on Single-Crystal GaN(0001) Surface: Nucleation and Growth Mechanism

Figure 8

SEM images of Zn deposits on GaN electrode with an applied potential of −1.4 V. The deposition time was (a) 10, (b) 20, (c) 40, and (d) 80 s.

(a)

(b)

(c)

(d)