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Showing 1–3 of 3 results
Advanced filters: Author: Chun Hung Lui Clear advanced filters

  • Monolayer graphene has no electronic band gap. Bilayer graphene does, and can be controlled by an electric field. And for trilayer graphene, infrared transmission measurements indicate both situations are possible depending on the stacking of the layers.

    • Chun Hung Lui
    • Zhiqiang Li
    • Tony F. Heinz
    Research
    Nature Physics
    Volume: 7, P: 944-947

  • Graphene, an atom-thin carbon sheet is interesting for its fundamental properties as well as for its possible applications in electronics, is not strictly two-dimensional. Microscopic corrugations, or ripples, have been observed in all graphene sheets so far. Direct experimental study of the physics of such ripples has been hindered by the lack of flat graphene layers. Ultraflat graphene is now achieved through its deposition on the atomically flat terraces of cleaved mica surfaces.

    • Chun Hung Lui
    • Li Liu
    • Tony F. Heinz
    Research
    Nature
    Volume: 462, P: 339-341