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Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Wai H Oo1, Hongyu Gao2, Martin H Müser2

  • 1Department of Mechanical Engineering, University of California Merced, Merced, California 95343, United States.

Nano Letters
|September 23, 2024
PubMed
Summary

Ultralow friction in gold nanoislands is affected by contamination, leading to phenomena like rejuvenation and aging. These effects diminish over time, revealing insights into structural lubricity under ambient conditions.

Keywords:
Atomic force microscopyFriction mechanismsGold nanoislandsMolecular dynamicsStructural lubricitySurface contamination

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