Research Article

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

Table 1

Orientation relationship between graphene and Co.

RegionOrientational relationshipd (nm) a x i s C o // [ 1 1 2 0 ] g r a p h e n e misfit (%) a x i s C o // [ 1 1 0 0 ] g r a p h e n e misfit (%)

A-B(0001) [ 1 1 2 0 ] g r a p h e n e // ( 1 1 1 ) [ 1 1 0 ] C o 0 . 2 1 ± 0 . 0 3 [ 1 1 0 ] C o 1.6 [ 1 1 2 ] C o 1.8
B-C ( 0 0 0 1 ) g r a p h e n e // ( 1 1 0 ) C o 0 . 2 8 ± 0 . 0 3
C-D(0001) [ 1 1 2 0 ] g r a p h e n e // ( 1 1 1 ) [ 1 1 0 ] C o 0 . 3 0 ± 0 . 0 5 [ 1 1 0 ] C o 1.6 [ 1 1 2 ] C o 1.8
D-E(0001) [ 1 1 2 0 ] g r a p h e n e // ( 1 1 3 ) [ 1 1 0 ] C o 0 . 2 1 ± 0 . 0 3 // [ 3 3 2 ] C o 49
E-F(0001) [ 1 1 2 0 ] g r a p h e n e //(002) [ 1 1 0 ] C o 0 . 2 1 ± 0 . 0 3 // [ 1 1 0 ] C o 15

d: interlayer spacing between the graphene and Co layers at the interface (nm), a x i s C o // [ 1 1 0 0 ] g r a p h e n e : the direction of the Co nanoparticle parallel to [ 1 1 0 0 ] g r a p h e n e , misfit: the misfit between the graphene and Co layers along [ 1 1 0 0 ] g r a p h e n e . *Only layer/layer relationship was analyzed.