Nanoscale magnetic field imaging for 2D materials
Nanoscale magnetic imaging can provide microscopic information about length scales,
inhomogeneity and interactions of materials systems. As such, it is a powerful tool to probe …
inhomogeneity and interactions of materials systems. As such, it is a powerful tool to probe …
Transport through graphene quantum dots
J Güttinger, F Molitor, C Stampfer… - Reports on Progress …, 2012 - iopscience.iop.org
We review transport experiments on graphene quantum dots and narrow graphene
constrictions. In a quantum dot, electrons are confined in all lateral dimensions, offering the …
constrictions. In a quantum dot, electrons are confined in all lateral dimensions, offering the …
Imaging electrostatically confined Dirac fermions in graphene quantum dots
Electrostatic confinement of charge carriers in graphene is governed by Klein tunnelling, a
relativistic quantum process in which particle–hole transmutation leads to unusual …
relativistic quantum process in which particle–hole transmutation leads to unusual …
Imaging work and dissipation in the quantum Hall state in graphene
Topology is a powerful recent concept asserting that quantum states could be globally
protected against local perturbations,. Dissipationless topologically protected states are …
protected against local perturbations,. Dissipationless topologically protected states are …
What lurks below the last plateau: experimental studies of the 0.7× 2e2/h conductance anomaly in one-dimensional systems
AP Micolich - Journal of Physics: Condensed Matter, 2011 - iopscience.iop.org
The integer quantised conductance of one-dimensional electron systems is a well-
understood effect of quantum confinement. A number of fractionally quantised plateaus are …
understood effect of quantum confinement. A number of fractionally quantised plateaus are …
Spatially resolved study of backscattering in the quantum spin Hall state
M König, M Baenninger, AGF Garcia, N Harjee… - Physical Review X, 2013 - APS
The discovery of the quantum spin Hall (QSH) state, and topological insulators in general,
has sparked strong experimental efforts. Transport studies of the quantum spin Hall state …
has sparked strong experimental efforts. Transport studies of the quantum spin Hall state …
Localized charge carriers in graphene nanodevices
D Bischoff, A Varlet, P Simonet, M Eich… - Applied Physics …, 2015 - pubs.aip.org
Graphene—two-dimensional carbon—is a material with unique mechanical, optical,
chemical, and electronic properties. Its use in a wide range of applications was therefore …
chemical, and electronic properties. Its use in a wide range of applications was therefore …
Gate‐controlled quantum dots based on 2D materials
Abstract 2D materials are a family of layered materials exhibiting rich exotic phenomena,
such as valley‐contrasting physics. Down to single‐particle level, unraveling fundamental …
such as valley‐contrasting physics. Down to single‐particle level, unraveling fundamental …
Zero-energy states in graphene quantum dots and rings
CA Downing, DA Stone, ME Portnoi - Physical Review B—Condensed Matter …, 2011 - APS
We present exact analytical zero-energy solutions for a class of smooth-decaying potentials,
showing that the full confinement of charge carriers in electrostatic potentials in graphene …
showing that the full confinement of charge carriers in electrostatic potentials in graphene …
Upstream modes and antidots poison graphene quantum Hall effect
The quantum Hall effect is the seminal example of topological protection, as charge carriers
are transmitted through one-dimensional edge channels where backscattering is prohibited …
are transmitted through one-dimensional edge channels where backscattering is prohibited …