Figure 2 (IMAGE)

Institute for Basic Science

Figure 2

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Figure 2: (A) SEM image of an adlayer-free single crystal graphene film with parallel long folds on a Cu(111) foil. (B) A high-resolution ultra-high-vacuum STM image of the honeycomb lattice of the single crystal graphene film. (C) Schematic illustration for straightforward fabrication of high-performance field-effect transistors in the region lying between two adjacent folds in the single crystal graphene film. (D) Carrier mobilities measured from field-effect transistors patterned with various kinds of graphene samples; adlayer-free single crystal graphene film shows the best performance.

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