761031.fig.003a
(a)
761031.fig.003b
(b)
761031.fig.003c
(c)
Figure 3: (a) The square of the resonant frequency shift ( )2 variation with the probe tip displacement and the amplitude of the oscillation variation with (b) the probe tip displacement and (c) resonant frequency are shown for a nanocrystalline Ni(111) coating deposited onto a Si substrate.