Effect of the Change of Deposition Time on the Secondary Direction and Abnormal Shape of Grains Growth of SnO₂ Thin Films

Figure 1

SEM micrographs of SnO₂ thin films grown at 420°C for (a) 5 min, (b) 10 min, (c) 20 min, and (d) 30 min.

(a)

(b)

(c)

(d)