Beilstein J. Nanotechnol.2011,2, 15–27, doi:10.3762/bjnano.2.2
of their constituents. These differences are best reflected in phase images in the amplitudemodulation (AM) mode, which are obtained at elevated forces. Although the phase contrast is efficient in differentiating the rubbery, glassy and inorganic components of polymer blends and composites, its
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Figure 1:
Sketch illustrating implementation of Kelvin force microscopy in the AM–FM mode. Two servo-loops, w...