Helical network model for twisted bilayer graphene

DK Efimkin, AH MacDonald - Physical Review B, 2018 - APS
In the presence of a finite interlayer displacement field, bilayer graphene has an energy gap
that is dependent on stacking and largest for the stable AB and BA stacking arrangements …

Helical networks in twisted bilayer graphene under interlayer bias

P San-Jose, E Prada - Physical Review B—Condensed Matter and Materials …, 2013 - APS
A twisted graphene bilayer exhibits a triangular Moiré pattern in the local stacking, that
smoothly alternates between the three basic types AA′, AB′, and BA′. Under an …

Radiation effects on the electronic properties of bilayer graphene

E Suárez Morell, LEF Foa Torres - Physical Review B—Condensed Matter and …, 2012 - APS
We report on the effects of laser illumination on the electronic properties of bilayer graphene.
By using Floquet theory combined with Green's functions, we unveil the appearance of laser …

Graphene sheets embedded carbon film prepared by electron irradiation in electron cyclotron resonance plasma

C Wang, D Diao, X Fan, C Chen - Applied Physics Letters, 2012 - pubs.aip.org
We used a low energy electron irradiation technique to prepare graphene sheets embedded
carbon (GSEC) film based on electron cyclotron resonance plasma. The particular π …

Valley-based Cooper pair splitting via topologically confined channels in bilayer graphene

A Schroer, PG Silvestrov, P Recher - Physical Review B, 2015 - APS
Bilayer graphene hosts valley-chiral one-dimensional modes at domain walls between
regions of different interlayer potential or stacking order. When such a channel is close to a …

Controlling local moment formation and local moment interactions in bilayer graphene

M Killi, D Heidarian, A Paramekanti - New Journal of Physics, 2011 - iopscience.iop.org
We study local moment formation for adatoms on bilayer graphene (BLG) within a mean-
field theory of the Anderson impurity model. The wavefunctions of the BLG electrons induce …

Quantum Hall effect in gapped graphene heterojunctions

JL Lado, JW González, J Fernández-Rossier - Physical Review B …, 2013 - APS
We model the quantum Hall effect in heterostructures made of two gapped graphene stripes
with different gaps, Δ 1 and Δ 2. We consider two main situations, Δ 1= 0, Δ 2≠ 0, and Δ 1 …

Some peculiarities of thermopower at the Lifshitz topological transitions due to stacking change in bilayer and multilayer graphene

VN Davydov - Proceedings of the Royal Society A, 2019 - royalsocietypublishing.org
Singularities of thermopower (the Seebeck coefficient) are considered at the Lifshitz
topological transitions (LTT) in bilayer graphene (BLG) and multilayer graphene (MLG) due …

Role of the Lifshitz topological transitions in the thermodynamic properties of graphene

VN Davydov - RSC advances, 2020 - pubs.rsc.org
The origin of the Lifshitz topological transition (LTT) and the 2D nature of the LTT in
graphene has been established. The peculiarities of the Lifshitz topological transitions in …

[HTML][HTML] Lifshitz transition including many-body effects in bi-layer graphene and change in stacking order

P Goswami - 2013 - scirp.org
We consider the AB-(Bernal) stacking for the bi-layer graphene (BLG) system and assume
that a perpendicular electric field is created by the external gates deposited on the BLG …