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Note: Determination of torsional spring constant of atomic force microscopy cantilevers: Combining normal spring constant and classical beam theory
KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0002-0790-194x
KTH Royal Institute of Technology, Sweden; DTU Technical University of Denmark, Denmark.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor. KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0002-8935-8070
2013 (English)In: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 84, no 9, article id 096102Article in journal (Refereed) Published
Abstract [en]

A technique has been developed for the calculation of torsional spring constants for AFM cantilevers based on the combination of the normal spring constant and plate/beam theory. It is easy to apply and allow the determination of torsional constants for stiff cantilevers where the thermal power spectrum is difficult to obtain due to the high resonance frequency and low signal/noise ratio. The applicability is shown to be general and this simple approach can thus be used to obtain torsional constants for any beam shaped cantilever.

Place, publisher, year, edition, pages
2013. Vol. 84, no 9, article id 096102
Keywords [en]
AFM cantilevers, Atomic force microscopy cantilevers, Classical beam theory, High resonance frequency, Signal/noise ratio, Spring constants, Torsional constant, Torsional springs, Atomic force microscopy, Nanocantilevers, Springs (components)
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-50049DOI: 10.1063/1.4820345Scopus ID: 2-s2.0-84885112358OAI: oai:DiVA.org:ri-50049DiVA, id: diva2:1477835
Available from: 2020-10-20 Created: 2020-10-20 Last updated: 2023-05-25Bibliographically approved

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Álvarez-Asencio, RubenRutland, Mark W.

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