Preparation and characterization of Cu/Ni(111) foils. (a) Schematic of the preparation of the Cu/Ni(111) foils shows that Ni films are electroplated on both sides of a Cu(111) foil, which is followed by heating in a chemical vapor deposition chamber at 1050 oC for 5-7 hours to obtain the Cu/Ni(111) foil. By controlling the concentration of nickel (Ni), IBS researchers could obtain bilayer and trilayer graphene with the desired stacking order and large area. (b) A photograph of a piece of Cu/Ni(111) alloy foil (3 cm × 5 cm in size). (c) X-ray pattern taken from different regions across the whole sample (3 cm × 5 cm). (d) Electron backscatter diffraction map indicating the uniform (111) orientation of the prepared Cu foils.
IBS researchers fabricate single crystal copper nickel alloy...
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