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Atomic Force Microscopy

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...

Overview of Microscopy Techniques

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The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...

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Related Experiment Video

Updated: Jun 10, 2026

Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays for High-Throughput Large-Scale Sample Inspection

Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays for High-Throughput Large-Scale Sample Inspection

Published on: June 13, 2023

High-speed cycloid-scan atomic force microscopy.

Y K Yong¹, S O R Moheimani, I R Petersen

¹School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, Australia. yuenkuan.yong@newcastle.edu.au

|August 14, 2010

Summary

This summary is machine-generated.

Achieve faster atomic force microscopy (AFM) imaging by replacing zig-zag scans with a smooth cycloid pattern. This novel approach minimizes image distortions and enables significantly higher scan speeds for AFM probes.

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Area of Science:

Materials Science
Nanotechnology
Physics

Background:

Atomic force microscopy (AFM) is limited in scan speed by its conventional zig-zag raster pattern.
The fast axis of AFM scanners struggles to track high-frequency signals, leading to image distortions.
Current limitations hinder rapid data acquisition in AFM applications.

Purpose of the Study:

To introduce a novel scanning method for atomic force microscopy.
To overcome the speed limitations imposed by traditional raster scanning.
To reduce image distortions at higher scan speeds.

Main Methods:

Proposed a smooth, cycloid-like scan pattern as an alternative to raster scanning.
Demonstrated the implementation of the cycloid scan on a commercial AFM system.
Focused on minimal hardware modifications for practical application.

Main Results:

The cycloid scan pattern allows for significantly higher achievable scan speeds compared to raster scans.
This method effectively mitigates distortions typically observed at high scan rates.
The proposed technique is compatible with existing commercial AFM setups.

Conclusions:

A smooth cycloid scan pattern offers a viable solution for accelerating AFM imaging.
This approach enhances the efficiency of AFM by enabling faster, distortion-free scans.
Minimal modifications make this technique readily adoptable for researchers.