486050.fig.004a
(a)
486050.fig.004b
(b)
486050.fig.004c
(c)
Figure 4: Crystallite size , crystallinity (%), and lattice parameter constant (α) of nickel in nanocomposite coatings deposited; (a) in absence of reinforcements powders in electrolyte (SiC and Gr) (sample I), (b) in absence of surfactants (sample II), and (c) in presence of surfactants (sample III).