Journal
ULTRAMICROSCOPY
Volume 107, Issue 4-5, Pages 275-280Publisher
ELSEVIER
DOI: 10.1016/j.ultramic.2006.06.006
Keywords
atoinic force microscopy (AFM)
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We show that inconsistent-imaging dynamics, in which the cantilever oscillates in the attractive regime on substrate background but in the repulsive regime oil sample, leads to artifacts in apparent height ill AC mode Atomic force microscopy. Active Q control can be used to effectively tune the imaging dynamics. Increased effective Q promotes the attractive regime, improves imaging sensitivity, and results in less invasive imaging of soft biological molecules. (c) 2006 Elsevier B.V. All rights reserved.
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