Enhanced nanoscale friction on fluorinated graphene.

  title={Enhanced nanoscale friction on fluorinated graphene.},
  author={Sangku Kwon and Jae-Hyeon Ko and Ki-Joon Jeon and Yong-Hyun Kim and Jeong Young Park},
  journal={Nano letters},
  volume={12 12},
Atomically thin graphene is an ideal model system for studying nanoscale friction due to its intrinsic two-dimensional (2D) anisotropy. Furthermore, modulating its tribological properties could be an important milestone for graphene-based micro- and nanomechanical devices. Here, we report unexpectedly enhanced nanoscale friction on chemically modified graphene and a relevant theoretical analysis associated with flexural phonons. Ultrahigh vacuum friction force microscopy measurements show that… CONTINUE READING
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