3 years ago

Massive Dirac Fermions Signal in Raman Spectrum of Graphene.

Ken-ichi Sasaki

Massless Dirac fermions in graphene can acquire a mass through different kinds of sublattice-symmetry-breaking perturbations, and there is a growing need to determine this mass using a conventional method. We describe how the mass caused by a staggered sublattice potential is determined using Raman spectroscopy and explain the mechanism in terms of the pseudospin polarization of massive Dirac fermions.

Publisher URL: http://arxiv.org/abs/1801.08299

DOI: arXiv:1801.08299v1

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