✦ LIBER ✦

News Ticker: Imaging & Microscopy 3/2007

Publisher: Wiley (John Wiley & Sons)
Year: 2007
Weight: 213 KB
Volume: 9
Category: Article
ISSN: 1439-4243
DOI: 10.1002/imic.200790188

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✦ Synopsis

present a study of the cause of several apparent resonance peaks shown by the probe resonance curve of the atomic force microscope contains, whose origin is not well understood, and try to find the optimal imaging conditions for acoustic intermittent contact mode in fluid environment. The authors demonstrate that the peaks are also present in the spectrum of the fluid movement and in that of the shaker piezo. These peaks may or may not coincide with the natural resonance of a probe in liquid, thus it is possible to drive the probes off-resonance. Numerical calculations show the feasibility of off-resonance imaging, but predict much higher imaging force.

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