Modelling and analysis of autonomous micro-cantilever oscillations

Basso, M., Paoletti, P., Tiribilli, B. and Vassalli, M. (2008) Modelling and analysis of autonomous micro-cantilever oscillations. Nanotechnology, 19(47), 475501. (doi: 10.1088/0957-4484/19/47/475501)

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Abstract

Tapping mode atomic force microscopy provides good resolution in imaging applications, but it still requires a time-consuming initial configuration and features quite low scanning velocity. In this paper we present a new dynamic mode in which the cantilever gets excited by a feedback loop containing a saturation function. The proposed scheme is then analysed in the frequency domain and simulated against the standard set-up, showing good performance and elimination of some of the known drawbacks. Preliminary results in experiments confirm the effectiveness of this operating mode.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Vassalli, Dr Massimo
Authors: Basso, M., Paoletti, P., Tiribilli, B., and Vassalli, M.
College/School:College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:Nanotechnology
Publisher:IOP Publishing
ISSN:0957-4484
ISSN (Online):1361-6528

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