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Accurate formulas for interaction force and energy in frequency modulation force spectroscopy

Sader, John E., Jarvis, Suzanne P.·2004·Applied Physics Letters

Abstract

Frequency modulation atomic force microscopy utilizes the change in resonant frequency of a cantilever to detect variations in the interaction force between cantilever tip and sample. While a simple relation exists enabling the frequency shift to be determined for a given force law, the required complementary inverse relation does not exist for arbitrary oscillation amplitudes of the cantilever. In this letter we address this problem and present simple yet accurate formulas that enable the interaction force and energy to be determined directly from the measured frequency shift. These formulas are valid for any oscillation amplitude and interaction force, and are therefore of widespread applicability in frequency modulation dynamic force spectroscopy.

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Research works printed but not linked: 10

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Metadata

Authors
Sader, J. E., & Jarvis, S. P.
Venue
Applied Physics Letters
Published
2004-03-08
Volume
84
Issue
10
Pages
1801-1803
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1973996986
Cited by
703
References
1
FWCI
10.85
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Accurate formulas for interaction force and energy in frequency modulation force spectroscopy. https://app.cochat.ai/papers/10.1063/1.1667267
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Sader, J. E., & Jarvis, S. P. (2004). Accurate formulas for interaction force and energy in frequency modulation force spectroscopy. Applied Physics Letters. https://doi.org/10.1063/1.1667267

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