4.6 Article

Transition from static to kinetic friction of metallic nanoparticles

Journal

APPLIED PHYSICS LETTERS
Volume 95, Issue 5, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3193551

Keywords

antimony; atomic force microscopy; graphite; nanoparticles; sliding friction; stiction

Funding

  1. DFG [SCHI 619/8-1]
  2. European Science Foundation
  3. EC sixth framework program [ERAS-CT-2003-980409]
  4. National Science Foundation [MRSEC DMR 0520495]

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Nanometer scale metallic islands were manipulated on a graphite surface by placing the tip of an atomic force microscope on top of the particles. Above a certain lateral force threshold particle sliding is observed, which allows us to quantify the transition from static to kinetic friction. This transition shows hysteretic character in the force domain and is characterized by a constant ratio of kinetic versus static friction of one half.

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