Heteroepitaxial growth of two-dimensional hexagonal boron nitride templated by graphene edges.
Science
; 343(6167): 163-7, 2014 Jan 10.
Article
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| MEDLINE
| ID: mdl-24408431
ABSTRACT
By adapting the concept of epitaxy to two-dimensional space, we show the growth of a single-atomic-layer, in-plane heterostructure of a prototypical material system--graphene and hexagonal boron nitride (h-BN). Monolayer crystalline h-BN grew from fresh edges of monolayer graphene with atomic lattice coherence, forming an abrupt one-dimensional interface, or boundary. More important, the h-BN lattice orientation is solely determined by the graphene, forgoing configurations favored by the supporting copper substrate.
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