Phase Imaging

Phase Imaging is a secondary imaging mode derived from tapping mode that goes beyond topographical data to detect variations in composition, adhesion, friction, viscoelasticity, and other properties, including electric and magnetic.  Applications, include contaminant identification, mapping of components in composite materials, differentiating regions of high and low surface adhesion or hardness and regions of different electrical or magnetic properties.

Phase imaging is the mapping of the phase lag between the periodic signal that drives the cantilever and the oscillations of the cantilever.  Changes in the phase lag often indicate changes in the properties of the sample surface.
phase imaging

phase imaging


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