Independent analysis of mechanical data from atomic force microscopy
| Authors | |
|---|---|
| Year of publication | 2014 |
| Type | Article in Periodical |
| Magazine / Source | Measurement Science and Technology |
| MU Faculty or unit | |
| Citation | |
| Web | Vydavatel |
| Doi | http://dx.doi.org/10.1088/0957-0233/25/4/044009 |
| Field | Sensors, measuring and regulation |
| Keywords | atomic force microscopy; mechanical properties; volume data |
| Attached files | |
| Description | Present atomic force microscopes are capable of acquiring large data volumes by point using point force-distance spectroscopic measurements. Even if different trade names and different technical implementations are used, for most of these techniques a force-distance curve in every image pixel is measured, this curve is immediately fitted by some theoretical dependence and results are displayed as a mechanical properties channel (Young modulus, adhesion, etc). Results are processed during the measurement directly in the scanning probe microscopy controller or, after it, by manufacturer provided software. In this paper, we present a software tool for independent numerical processing of such data, including more numerical models for the force–distance curve evaluation and including a simple estimate of uncertainties related to the fitting procedure. This can improve the reliability and the analytical possibilities of mechanical properties mapping methods in an atomic force microscopy. |
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