914867.fig.007a
(a)
914867.fig.007b
(b)
914867.fig.007c
(c)
914867.fig.007d
(d)
Figure 7: SEM image of coatings (a) as deposited, (b) annealed at 400°C, (c) annealed at 500°C, (d) annealed at 600°C.