761031.fig.002a
(a)
761031.fig.002b
(b)
761031.fig.002c
(c)
Figure 2: (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 V(110) coating deposited onto a Si substrate.