Browsing by Subject "Graphene"
Now showing items 1-11 of 11
-
Critical Current Scaling in Long Diffusive Graphene-Based Josephson Junctions.
(Nano letters, 2016-08)We present transport measurements on long, diffusive, graphene-based Josephson junctions. Several junctions are made on a single-domain crystal of CVD graphene and feature the same contact width of ∼9 μm but vary in length ... -
GRAPHENE BASED FLEXIBLE GAS SENSORS
(2013)Graphene is a novel carbon material with great promise for a range of applications due to its electronic and mechanical properties. Its two-dimensional nature translates to a high sensitivity to surface chemical interactions ... -
Graphene-based Josephson junctions: phase diffusion, effects of magnetic field, and mesoscopic properties.
(2012)We report on graphene-based Superconductor-Normal metal-Superconductor Joseph- son junctions with contacts made from lead. The high transition temperature of this superconductor allows us to observe the supercurrent branch ... -
Growth, Characterization, and Properties of Hybrid Graphene-Carbon Nanotube Films and Related Carbon Nanostructures
(2016)Graphene, first isolated in 2004 and the subject of the 2010 Nobel Prize in physics, has generated a tremendous amount of research interest in recent years due to its incredible mechanical and electrical properties. However, ... -
Investigation of Supercurrent in the Quantum Hall Regime in Graphene Josephson Junctions
(Journal of Low Temperature Physics, 2018-06-01)© 2018, Springer Science+Business Media, LLC, part of Springer Nature. In this study, we examine multiple encapsulated graphene Josephson junctions to determine which mechanisms may be responsible for the supercurrent observed ... -
Metallic Nanoislands on Graphene as Highly Sensitive Transducers of Mechanical, Biological, and Optical Signals.
(Nano Lett, 2016-02-10)This article describes an effect based on the wetting transparency of graphene; the morphology of a metallic film (≤20 nm) when deposited on graphene by evaporation depends strongly on the identity of the substrate supporting ... -
Nanophotonics: Optical time reversal with graphene
(2013-07)Would you ever guess that a microscopic flake of graphite could reverse the diffraction of light? An experiment that demonstrates just such an effect highlights the exciting optical applications of graphene — an atomic layer ... -
Superconducting Electron Transport in Graphene-Based Josephson Junctions
(2017)Graphene – a single atomic layer of graphite – is one of the most studied quasi two-dimensional materials (2D). Its electronic properties are particularly interesting, for example allowing one to study the physics of 2D ... -
Supercurrent Flow in Multiterminal Graphene Josephson Junctions.
(Nano letters, 2019-02)We investigate the electronic properties of ballistic planar Josephson junctions with multiple superconducting terminals. Our devices consist of monolayer graphene encapsulated in boron nitride with molybdenum-rhenium contacts. ... -
Thermal and Electronic Transport in Graphene Superconducting Devices
(2018)This dissertation presents the experimental methods and results of investigations into the nature of thermal and electronic transport at low temperatures in graphene superconducting devices. By coupling graphene ... -
Transport Mechanisms of Quantum Hall Supercurrents in Graphene Josephson Junctions
(2018)The existence of supercurrent in the quantum Hall regime with periodic magnetic interference patterns, first observed by Amet et al. in 2016, has created new opportunities to access topological superconductivity through ...
