Sliding on a nanotube: Interplay of friction, deformations and structure

Hsiang Chih Chiu, Beate Ritz, Suenne Kim, Erio Tosatti, Christian Klinke, Elisa Riedo

Research output: Contribution to journalArticle

Abstract

The frictional properties of individual carbon nanotubes (CNTs) are studied by sliding an atomic force microscopy tip across and along its principle axis. This direction-dependent frictional behavior is found to correlate strongly with the presence of structural defects, surface chemistry, and CNT chirality. This study shows that it is experimentally possible to tune the frictional/adhesion properties of a CNT by controlling the CNT structure and surface chemistry, as well as use friction force to predict its structural and chemical properties.

Original languageEnglish (US)
Pages (from-to)2879-2884
Number of pages6
JournalAdvanced Materials
Volume24
Issue number21
DOIs
StatePublished - Jun 5 2012

Keywords

  • atomic force microscopes
  • carbon nanotubes
  • defects
  • nanotribology

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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