Unravelling external perturbation effects on the optical phonon response of graphene

N Bendiab, J Renard, C Schwarz… - Journal of Raman …, 2018 - Wiley Online Library
Raman spectroscopy is a powerful and nondestructive probe that demonstrates its efficiency
in revealing the physical properties of low‐dimensional sp2 carbon systems. It gives access …

When 2D materials meet metals

L Pirker, J Honolka, M Velický, O Frank - 2D Materials, 2024 - iopscience.iop.org
This review delves into the intricacies of the interfaces formed between two-dimensional
(2D) materials and metals, exploring a realm rich with fundamental insights and promising …

Charge puddles in graphene near the Dirac point

S Samaddar, I Yudhistira, S Adam, H Courtois… - Physical Review Letters, 2016 - APS
The charge carrier density in graphene on a dielectric substrate such as SiO 2 displays
inhomogeneities, the so-called charge puddles. Because of the linear dispersion relation in …

Visualizing In‐Plane Junctions in Nitrogen‐Doped Graphene

M Bouatou, C Chacon, AB Lorentzen… - Advanced Functional …, 2022 - Wiley Online Library
Controlling the spatial distribution of dopants in graphene is the gateway to the realization of
graphene‐based electronic components. Here, it is shown that a submonolayer of self …

Low-friction, wear-resistant, and electrically homogeneous multilayer graphene grown by chemical vapor deposition on molybdenum

B Vasić, U Ralević, KC Zobenica, MM Smiljanić… - Applied Surface …, 2020 - Elsevier
Chemical vapour deposition (CVD) is a promising method for producing large-scale
graphene (Gr). Nevertheless, microscopic inhomogeneity of Gr grown on traditional metal …

Equal variations of the Fermi level and work function in graphene at the nanoscale

S Samaddar, J Coraux, SC Martin, B Grévin, H Courtois… - Nanoscale, 2016 - pubs.rsc.org
If surface effects are neglected, any change of the Fermi level in a semiconductor is
expected to result in an equal and opposite change of the work function. However, this is in …

Charge puddles in germanene

Q Yao, Z Jiao, P Bampoulis, L Zhang… - Applied Physics …, 2019 - pubs.aip.org
We report an investigation of the electronic inhomogeneities in a single germanene layer
grown on a molybdenum disulfide (MoS 2) substrate. Using scanning tunneling microscopy …

Disorder-assisted transmission due to charge puddles in monolayer graphene: Transmission enhancement and local currents

LRF Lima, CH Lewenkopf - Physical Review B, 2016 - APS
We investigate the contribution of charge puddles to the nonvanishing conductivity minimum
in disordered graphene flakes at the charge neutrality point. For that purpose, we study …

Physics of a disordered Dirac point in epitaxial graphene from temperature-dependent magnetotransport measurements

J Huang, JA Alexander-Webber, AMR Baker… - Physical Review B, 2015 - APS
We report a study of disorder effects on epitaxial graphene in the vicinity of the Dirac point by
magnetotransport. Hall effect measurements show that the carrier density increases …

Emergence and dynamical properties of stochastic branching in the electronic flows of disordered Dirac solids

M Mattheakis, GP Tsironis, E Kaxiras - Europhysics Letters, 2018 - iopscience.iop.org
Graphene as well as more generally Dirac solids constitute two-dimensional materials
where the electronic flow is ultra-relativistic. When a Dirac solid is deposited on a different …