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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

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Updated: Jun 15, 2026

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid
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Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

Published on: December 2, 2022

Real-time atomic force microscopy in lubrication condition.

Hyunsoo Lee1, Donghyeok Lee, K B Kim

  • 1Faculty of Nanotechnology and Advanced Material Engineering, Sejong University, Seoul 143-747, South Korea.

Ultramicroscopy
|March 16, 2010
PubMed
Summary
This summary is machine-generated.

Friction and wear in atomic force microscopy were reduced using mineral oil lubrication and hydrophobic silicon tips. This enhanced scanning speed and improved image quality by minimizing sample and tip damage.

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Area of Science:

  • Surface science
  • Nanotechnology
  • Materials science

Background:

  • Real-time atomic force microscopy (AFM) in contact mode faces challenges with friction and wear during fast scanning.
  • High scanning speeds can degrade sample surfaces, AFM tips, and overall image quality.

Purpose of the Study:

  • To investigate methods for reducing frictional forces and wear in fast-scanning AFM.
  • To improve the image quality of AFM by mitigating tribological issues.

Main Methods:

  • Utilized a resonator-type mechanical scanner for real-time AFM studies.
  • Applied mineral oil as a lubricant to a polycarbonate sample surface.
  • Chemically modified a silicon (Si) tip to create a hydrophobic coating.

Main Results:

  • Mineral oil application significantly decreased interfacial frictional forces on the polycarbonate sample.
  • The hydrophobic Si tip coating effectively reduced frictional forces during high-speed scanning.
  • Reduced friction and wear led to a noticeable improvement in the resultant AFM image quality.

Conclusions:

  • Lubrication with mineral oil and hydrophobic tip modification are effective strategies to combat friction and wear in fast-scanning AFM.
  • These methods enable higher scanning speeds without compromising sample integrity or image resolution.
  • The study demonstrates a pathway to enhance the performance and reliability of AFM for advanced surface analysis.