... LLCto the shape and rigidity of the solvent molecules, to the presence of other components, and to the structure of the confining surfaces. In particular, the oscillations can be smeared out if the ... with the SFA and, in principle, with the AFM (if the geometry of the tip and surface at the contact zone can be quantified). The measuredvalues are generally in good agreement with calculated values ... structure, or that of the intervening filmmaterial, which together determine the short-range interaction and adhesion.On the other hand, for surfaces that are randomly rough, the oscillatory force...