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Boundary conditions in the Dirac approach to graphene devices
Boundary conditions Dirac approach graphene devices
2010/12/27
We study a family of local boundary conditions for the Dirac problem corresponding to the continuum limit of graphene, both for nanoribbons and nanodots. We show that, among the members of such family...
Topographic and electronic contrast of the graphene moiré on Ir(111) probed by scanning tunneling microscopy and non-contact atomic force microscopy
Topographi electronic contrast tunneling microscopy non-contact atomic force microscopy
2010/11/23
Epitaxial graphene grown on single crystal transition metal surfaces typically exhibits a moiré
pattern due to the lattice mismatch between graphene and the underlying metal surface. We use si-multan...
Physicists in the US have made the fastest graphene transistor ever, with a cut-off frequency of 100 GHz. The device can be further miniaturized and optimized so that it could soon outperform conventi...