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Improved methods and uncertainty analysis in the calibration of the spring constant of an atomic force microscope cantilever using static experimental methods.

Clifford, C A; Seah, M P (2009) Improved methods and uncertainty analysis in the calibration of the spring constant of an atomic force microscope cantilever using static experimental methods. Meas. Sci. Technol., 12 (12). 125501

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Abstract

There are many published methods to calibrate the spring constant of AFM cantilevers needed for quantitative force measurements. Each method has its own merits and are split, here, into three broad categories: dimensional, static experimental and dynamic experimental. Here, we report improved static experimental methods of the cantilever on reference cantilever and the nanoindenter on cantilever methods. These methods use four or five positions on the reference cantilever to reduce the uncertainties arising from positional problems. The uncertainties in the methods are discussed.

Item Type: Article
Keywords: AFM, spring constant, force constant, cantilever
Subjects: Nanoscience
Nanoscience > Surface and Nanoanalysis
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4537

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