By D. Passeri, F. Marinello (auth.), Francesco Marinello, Daniele Passeri, Enrico Savio (eds.)
The mixture of atomic strength microscopy with ultrasonic equipment permits the nearfield detection of acoustic indications. The nondestructive characterization and nanoscale quantitative mapping of floor adhesion and stiffness or friction is feasible. the purpose of this ebook is to supply a complete assessment of alternative scanning probe acoustic innovations, together with AFAM, UAFM, SNFUH, UFM, SMM and torsional tapping modes. simple theoretical motives are given to appreciate not just the probe dynamics but additionally the dynamics of tip floor contacts. Calibration and enhancement are mentioned to raised outline the functionality of the innovations, that are additionally in comparison with different classical concepts similar to nanoindentation or floor acoustic wave. various program fields are defined, together with organic surfaces, polymers and skinny films.
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Extra info for Acoustic Scanning Probe Microscopy
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Moreover, the assumption of a spherical or flat shape of the tip can be removed, and the real geometry of the apex can be evaluated by contact stiffness measurements as a function of the applied load [43, 88, 90, 95]. Such curves allow one to identify the most suitable model for the apex, which is generally intermediate between the two ideal cases of spherical and flat tip [88, 95]. Finally, performing the tip calibration before and after the measurement session allows the effect of wear to be monitored .
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