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(Color online) Approaching curves in shear force (dashed dotted curve) and tapping mode (continuous line). Inserts (a) and (b) show sketches of the HPC installed on the tuning fork in the shear force mode and in the tapping mode configuration, respectively. Insert (c) shows a blow up of the shear force approaching curve for short distances.
(Color online) (a) Topographic image acquired on an AFM test pattern (Veeco™). Scan area of . Scale bar of . (b) Profile line extracted on the forward (solid line) and backward (dot-dashed line) scans along the line marked on the image (a).
Topographic (a) and optical (b) images collected in transmission mode of an Al pattern deposited on a glass cover slip. Scale .
(Color online) Four frames showing the consecutive writing of five dots (protrusions) on the free surface of a PMA/PMA4 copolymer film. (a) SNOM topographical image of the area before writing. (b) Image of the first dot drawn. (c) Two dots added to the first one. (d) Result of the complete process. These dots are not taller than due to the short exposure time of for each dot.
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