517878.fig.002a
(a) Nucleated substrate
517878.fig.002b
(b) 35 Torr
517878.fig.002c
(c) 50 Torr
517878.fig.002d
(d) 65 Torr
517878.fig.002e
(e) 80 Torr
517878.fig.002f
(f) 100 Torr
Figure 2: SEM images of (a) quartz substrate spin coated with NDPs and diamond films grown at various working pressures: (b) 35 Torr, (c) 50 Torr, (d) 65 Torr, (e) 80 Torr, and (g) 100 Torr, respectively.