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Indirect measurement of the carbon adatom migration barrier on graphene

Carbon, ISSN: 0008-6223, Vol: 196, Page: 596-601
2022
  • 11
    Citations
  • 0
    Usage
  • 10
    Captures
  • 5
    Mentions
  • 3
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
  • Captures
    10
  • Mentions
    5
    • News Mentions
      3
      • News
        3
    • Blog Mentions
      2
      • Blog
        2
  • Social Media
    3
    • Shares, Likes & Comments
      3
      • Facebook
        3

Most Recent News

News Carbon Atom Migration Measured Using "Hot" Graphene The migration of carbon atoms on the surface of the nanomaterial graphene was recently measured for the first time.

The migration of carbon atoms on the surface of the nanomaterial graphene was recently measured for the first time. Although the atoms move too swiftly

Article Description

Although surface diffusion is critical for many physical and chemical processes, including the epitaxial growth of crystals and heterogeneous catalysis, it is particularly challenging to directly study. Here, we estimate the carbon adatom migration barrier on freestanding monolayer graphene by quantifying its temperature-dependent electron knock-on damage. Due to the fast healing of vacancies by diffusing adatoms, the damage rate decreases with increasing temperature. By analyzing the observed damage rates at 300–1073 K using a model describing our finite scanning probe, we find a barrier of (0.33 ± 0.03) eV.

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