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Related Experiment Videos

Scanning Kelvin Microscope: a new method for surface investigations.

J Ren1, H D Liess, R Mäckel

  • 1Institut für Physik, Fakultät für Elektrotechnik, Universität der Bundeswehr München, Werner-Heisenberg-Weg 39, D-85577, Neubiberg, Germany.

Analytical and Bioanalytical Chemistry
|October 1, 1995
PubMed
Summary

A new Scanning Kelvin Microscope measures contact potential difference and surface topography simultaneously. This non-destructive technique offers high lateral resolution for microstructure analysis in natural environments.

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Area of Science:

  • Materials Science
  • Surface Science
  • Microscopy

Background:

  • The Kelvin probe is a well-established technique for work function measurements.
  • Microstructure analysis requires high-resolution imaging of surface properties.

Purpose of the Study:

  • To develop a novel system for simultaneous measurement of contact potential difference and surface topography.
  • To enable non-destructive, high-resolution microstructure analysis.

Main Methods:

  • Development of the Scanning Kelvin Microscope based on the Kelvin probe principle.
  • Simultaneous measurement of contact potential difference (CPD) and topographical structure.
  • Contact-free and non-destructive analysis in natural environments.

Main Results:

Related Experiment Videos

  • The Scanning Kelvin Microscope achieves high lateral resolution, approaching 5 micrometers.
  • Simultaneous mapping of CPD distribution and surface topography is demonstrated.
  • Results are visualized in 3D color images on a computer.

Conclusions:

  • The Scanning Kelvin Microscope is a powerful new tool for advanced microstructure analysis.
  • The system provides valuable insights into surface properties and topography.
  • Its non-destructive nature and ability to operate in natural environments enhance its applicability.