Analytical determination of atypical quantized resistances in graphene pn junctions
A mathematical approach is introduced for predicting quantized resistances in graphene pn
junction devices that utilize more than a single entry and exit point for electron flow …
junction devices that utilize more than a single entry and exit point for electron flow …
Quantum transport in graphene junctions with moiré superlattice modulation
We present simulations of quantum transport in graphene pn junctions (pn Js) in which
moiré superlattice potentials are incorporated to demonstrate the interplay between pn Js …
moiré superlattice potentials are incorporated to demonstrate the interplay between pn Js …
Manipulation of valley isospins in strained graphene for valleytronics
Graphene's outstanding mechanical properties lend to strain engineering, allowing for future
valleytronics and nanoelectromechanic applications. In this work, we have found that a …
valleytronics and nanoelectromechanic applications. In this work, we have found that a …
[HTML][HTML] Electron wave and quantum optics in graphene
In the last decade, graphene has become an exciting platform for electron optical
experiments, in some aspects superior to conventional two-dimensional electron gases …
experiments, in some aspects superior to conventional two-dimensional electron gases …
Giant valley-isospin conductance oscillations in ballistic graphene
At high magnetic fields the conductance of graphene is governed by the half-integer
quantum Hall effect. By local electrostatic gating ap–n junction perpendicular to the …
quantum Hall effect. By local electrostatic gating ap–n junction perpendicular to the …
[HTML][HTML] Accessing ratios of quantized resistances in graphene p–n junction devices using multiple terminals
The utilization of multiple current terminals on millimeter-scale graphene p–n junction
devices has enabled the measurement of many atypical, fractional multiples of the quantized …
devices has enabled the measurement of many atypical, fractional multiples of the quantized …
Manipulating quantum Hall edge channels in graphene through scanning gate microscopy
L Bours, S Guiducci, A Mreńca-Kolasińska, B Szafran… - Physical Review B, 2017 - APS
We show evidence of the backscattering of quantum Hall edge channels in a narrow
graphene Hall bar, induced by the gating effect of the conducting tip of a scanning gate …
graphene Hall bar, induced by the gating effect of the conducting tip of a scanning gate …
Aharonov-Bohm conductance oscillations and current equilibration in local junctions in graphene
D Żebrowski, A Mreńca-Kolasińska, B Szafran - Physical Review B, 2018 - APS
We consider a small p-type island defined within an n-type graphene nanoribbon induced
by the potential of a floating electrode. In the quantum Hall conditions the island supports …
by the potential of a floating electrode. In the quantum Hall conditions the island supports …
Equilibration of quantum Hall edges in symmetry-broken bilayer graphene
Equilibration of quantum Hall edges is studied in a high quality dual gated bilayer graphene
device in both unipolar and bipolar regimes when all the degeneracies of the zero energy …
device in both unipolar and bipolar regimes when all the degeneracies of the zero energy …
Analysing quantized resistance behaviour in graphene Corbino pn junction devices
CI Liu, DS Scaletta, DK Patel, M Kruskopf… - Journal of physics D …, 2020 - iopscience.iop.org
Just a few of the promising applications of graphene Corbino pnJ devices include two-
dimensional Dirac fermion microscopes, custom programmable quantized resistors, and …
dimensional Dirac fermion microscopes, custom programmable quantized resistors, and …