Capillary force in atomic force microscopy

Joonkyung Jang*, George C. Schatz, Mark A. Ratner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

111 Scopus citations

Abstract

A study was conducted on the fundamental issues concerning capillary forces and meniscus structure by considering a spherical AFM tip in three dimensions interacting with a planar substrate. For this prototypical geometry, the effect of humidity and molecule-tip interaction strength on capillary force was studied systematically. This paper proposes a mean-field DFT approach as a computationally effective method for calculating the pull-off force.

Original languageEnglish (US)
Pages (from-to)1157-1160
Number of pages4
JournalJournal of Chemical Physics
Volume120
Issue number3
DOIs
StatePublished - Jan 15 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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