Heteroepitaxial growth of two-dimensional hexagonal boron nitride templated by graphene edges.
basic_science · Level V
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- Record sourced from PubMed, PMID 24408431.
- Also identified by DOI 10.1126/science.1246137.
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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.