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A New Experimental Technique for Calibration of Frictional Force in Atomic Force Microscopy

원자 현미경에서 마찰력 측정을 위한 새로운 실험 기법

  • 최덕현 (포항공과대학교 대학원 기계공학과) ;
  • 황운봉 (포항공과대학교 기계공학과) ;
  • 윤의성 (한국과학기술연구원 트라이볼로지 연구센터)
  • Published : 2004.12.01

Abstract

A new method has been proposed for the calibration of frictional forces in atomic force microscopy. Angle conversion factor is defined using the relationship between torsional angle and frictional signal. Once the factor is obtained from a cantilever, it can be applied to other cantilevers without additional experiments. Moment balance equations on the flat surface and top edge of a commercial step grating are used to obtain angle conversion factor. Proposed method is verified through another step grating test and frictional behavior of Mica.

Keywords

Angle Conversion Factor;Force Conversion Factor;Moment Balance Equation

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