Friday, February 8, 2013

1302.1829 (Daniel Platz et al.)

Polynomial force approximations and multifrequency atomic force
microscopy
   [PDF]

Daniel Platz, Daniel Forchheimer, Erik A. Tholen, David B. Haviland
We present polynomial force reconstruction from experimental intermodulation atomic force microscopy (ImAFM) data. We study the tip-surface force during a slow surface approach and compare the results with amplitude-dependence force spectroscopy. Based on polynomial force reconstruction we generate high-resolution surface property maps of polymer blend samples. The polynomial method is described as a special example of a more general approximataive force reconstruction, where the aim is to determine model parameters which best approximate the measured force spectrum. This approximative approach is not limited to spectral data and we demonstrate how is can adapted to a force quadrature picture.
View original: http://arxiv.org/abs/1302.1829

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