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cond-mat.mtrl-sci2012★ 137 cited
Contribution of the buffer layer to the Raman spectrum of epitaxial graphene on SiC(0001)
F. Fromm, M. H. Oliveira, A. Molina-Sánchez +5
We report a Raman study of the so-called buffer layer with periodicity which forms the intrinsic interface structure between epitaxial graphene…
cond-mat.mes-hall2012★ 79 cited
Dielectric screening of the Kohn anomaly of graphene on hexagonal boron nitride
F. Forster, A. Molina-Sanchez, S. Engels +5
Kohn anomalies in three-dimensional metallic crystals are dips in the phonon dispersion that are caused by abrupt changes in the screening of the ion-cores by the surrounding elect…