Research Article

Structures of Graphene/Cobalt Interfaces in Cobalt-Encapsulated Carbon Nanocapsules

Figure 5

The orientational relationship between graphene layers and Co nanoparticle at the interface in region D-E shown in Figure 3. (a) Enlarged high-resolution image of the interface. (b) The atomic configuration overlapping on the image in the image in (a). (c) The extracted atomic configuration. Atomic configurations at the interface viewed along [ 1 1 2 0 ] g r a p h e n e and [ 1 1 0 ] C o (d) and [ 0 0 0 1 ] g r a p h e n e and [ 1 1 3 ] C o (e). (f) Overlapping of the atomic configurations of the graphene layers and Co nanoparticle projected along the direction perpendicular to the interface, that is, [ 0 0 0 1 ] g r a p h e n e and [ 1 1 3 ] C o . The filled and open circles indicate carbon and cobalt atoms.
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