Spacing between graphene and metal substrates studied with total-reflection high-energy positron diffraction

Yuki Fukaya, Shiro Entani, Seiji Sakai, Izumi Mochizuki, Ken Wada, Toshio Hyodo, Shin Ichi Shamoto

研究成果: Article同行評審

19 引文 斯高帕斯(Scopus)

摘要

The spacing between graphene and metal substrates has been investigated using total-reflection high-energy positron diffraction (TRHEPD). The rocking curve analysis performed, based on the dynamical diffraction theory, shows that the spacing between the graphene layer and a substrate of Cu(111) and that between graphene and a Co(0001) substrate are 3.34 Å and 2.06 Å, respectively. The former is close to the interlayer spacing in graphite, suggesting a weak interaction with the substrate material, whereas the latter value experimentally verifies that, in the case of graphene on Co(0001), there is a strong interaction with the substrate.

原文English
頁(從 - 到)1-4
頁數4
期刊Carbon
103
DOIs
出版狀態Published - 2016 7月 1

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 材料科學(全部)

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