Room temperature observation of the correlation between atomic and electronic structure of graphene on Cu(110).
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2016
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In this work we have used atomically-resolved scanning tunneling microscopy and spectroscopy to study
the interplay between the atomic and electronic structure of graphene formed on copper via chemical
vapor deposition. Scanning tunneling microscopy directly revealed the epitaxial match between a single
layer of graphene and the underlying copper substrate in different crystallographic orientations. Using
scanning tunneling spectroscopy we have directly measured the electronic density of states of graphene
layers near the Fermi level, observing the appearance of a series of peaks in specific cases. These
features were analyzed in terms of substrate-induced perturbations in the structural and electronic
properties of graphene by means of atomistic models supported by density functional theory calculations.
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SILVA, T. C. P. et al. Room temperature observation of the correlation between atomic and electronic structure of graphene on Cu(110). RSC Advances: an international journal to further the chemical sciences, v. 6, p. 98001-98009, 2016. Disponível em: <http://pubs.rsc.org/en/content/articlelanding/2016/ra/c6ra13058e#!divAbstract>. Acesso em: 16 jan. 2018.