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Related Experiment Video

Updated: May 15, 2026

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy
10:37

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Published on: March 16, 2020

Interaction imaging with amplitude-dependence force spectroscopy.

Daniel Platz1, Daniel Forchheimer, Erik A Tholén

  • 1Royal Institute of Technology (KTH), Section for Nanostructure Physics, Albanova University Center, Stockholm SE-106 91, Sweden. platz@kth.se

Nature Communications
|January 17, 2013
PubMed
Summary
This summary is machine-generated.

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This study introduces amplitude-dependence force spectroscopy (ADFS) to precisely measure surface forces during atomic force microscopy (AFM) imaging. This new method enables quantitative analysis of tip-surface interactions for advanced material science and biology applications.

Area of Science:

  • Surface science
  • Nanotechnology
  • Material science

Background:

  • Surface forces are critical across physics, material science, and biology.
  • Dynamic atomic force microscopy (AFM) excels at surface topography imaging but cannot determine tip-surface forces.
  • Understanding tip-surface interactions is essential for many scientific and technological advancements.

Purpose of the Study:

  • To develop a novel method for simultaneously measuring conservative and dissipative tip-surface forces during AFM imaging.
  • To enable quantitative analysis of nano-mechanical interactions at surfaces.
  • To advance AFM from qualitative topography imaging to quantitative force microscopy.

Main Methods:

  • Developed amplitude-dependence force spectroscopy (ADFS).

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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

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Atomic Force Microscopy Imaging and Force Spectroscopy of Supported Lipid Bilayers
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Atomic Force Microscopy Imaging and Force Spectroscopy of Supported Lipid Bilayers

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Related Experiment Videos

Last Updated: May 15, 2026

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy
10:37

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Published on: March 16, 2020

Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
10:25

Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

Published on: December 20, 2016

Atomic Force Microscopy Imaging and Force Spectroscopy of Supported Lipid Bilayers
10:15

Atomic Force Microscopy Imaging and Force Spectroscopy of Supported Lipid Bilayers

Published on: July 22, 2015

  • ADFS utilizes the cantilever's amplitude-dependent response near resonance.
  • The method allows for separate determination of conservative and dissipative forces.

    • Main Results:

    • Successfully applied ADFS to quantitatively study and map nano-mechanical interactions between an AFM tip and heterogeneous polymer surfaces.
    • Demonstrated the ability to separate conservative and dissipative tip-surface interactions.
    • Validated ADFS as a compatible technique for commercial atomic force microscopes.

    Conclusions:

    • ADFS offers a new pathway for quantitative force measurements in AFM.
    • This technique is expected to significantly enhance the capabilities of AFM for surface analysis.
    • ADFS has the potential for widespread adoption in nanoscale research and material characterization.