Epitaxial Graphenes on Silicon Carbide

Details Epitaxial Graphenes on Silicon Carbide Epitaxial Graphenes on Silicon Carbide

2010-02-04

arxiv.org/abs/1002.0873v1

MRS BULLETIN, 35, 296 (2010)

Physics

Condensed Matter

Materials Science

To appear in the April 2010 issue of the MRS Bulletin

Scientific paper

The materials science of graphene grown epitaxially on the hexagonal basal planes of SiC crystals is reviewed. We show that the growth of epitaxial graphene on Si-terminated SiC(0001) is much different than growth on the C-terminated SiC(000 -1) surface, and discuss the physical structure of these graphenes. The unique electronic structure and transport properties of each type of epitaxial graphene is described, as well as progress toward the development of epitaxial graphene devices. This materials system is rich in subtleties, and graphene grown on the two polar faces differs in important ways, but all of the salient features of ideal graphene are found in these epitaxial graphenes, and wafer-scale fabrication of multi-GHz devices already has been achieved.

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