489 citations · 2.4k across the 38 of their papers we have counts for
37 papers
Data-Driven Plasticity Modeling via Acoustic Profiling
Khalid El-Awady
This paper presents a data-driven framework for modeling plastic deformation in crystalline metals through acoustic emission (AE) analysis. Building on experimental data from compr…
Real-Space Plasmon Imaging Reveals Modified Electronic Structure of Gold at the Monolayer Limit
Andrei Bylinkin, Philippe Roelli, Naveen Shetty +8
Atomically thin materials exhibit electronic and optical properties distinct from their three-dimensional counterparts. For metals, particularly gold, monolayer studies remain larg…
Wafer-Scale Single-Crystalline Monolayer Graphene
Johanna Huhtasaari, Joyal Jain Palakulam, Awse Salha +11
Producing large-area single-crystalline graphene is key to realizing its full potential in advanced applications, including twistronics. Yet, controlling graphene growth kinetics t…
Quantum-Ready Microwave Detection with Scalable Graphene Bolometers in the Strong Localization Regime
Yu-Cheng Chang, Federico Chianese, Naveen Shetty +8
Exploiting quantum interference of charge carriers, epitaxial graphene grown on silicon carbide emerges as a game-changing platform for ultra-sensitive bolometric sensing, featurin…
Gate-tunable negative differential resistance in multifunctional van der Waals heterostructure
Richa Mitra, Konstantina Iordanidou, Naveen Shetty +7
Two-dimensional (2D) semiconductors have emerged as exciting candidates for the development of low-power and multifunctional computing applications, thanks to their qualities such…
Single-photon detection using large-scale high-temperature MgB sensors at 20 K
I. Charaev, E. K. Batson, S. Cherednichenko +10
Ultra-fast single-photon detectors with high current density and operating temperature can benefit space and ground applications, including quantum optical communication systems, l…
Bottom-up growth of monolayer honeycomb SiC
C. M. Polley, H. Fedderwitz, T. Balasubramanian +7
The long theorized two-dimensional allotrope of SiC has remained elusive amid the exploration of graphenelike honeycomb structured monolayers. It is anticipated to possess a large…
Scalable fabrication of edge contacts to 2D materials
Naveen Shetty, Hans He, Richa Mitra +9
We present a fabrication method for reliably and reproducibly forming electrical contacts to 2D materials, based on the tri-layer resist system. We demonstrate the applicability of…
Highly efficient UV detection in a metal-semiconductor-metal detector with epigraphene
Hans He, Naveen Shetty, Sergey Kubatkin +7
We show that epitaxial graphene on silicon carbide (epigraphene) grown at high temperatures (T > 1850 °C) readily acts as material for implementing solar-blind ultraviolet (UV) det…
Exceptionally accurate large graphene quantum Hall arrays for the new SI
Hans He, Karin Cedergren, Naveen Shetty +4
The quantum Hall effect (QHE) is a cornerstone in the new International System of Units (SI), wherein the base units are derived from seven fundamental constants such as Planck's c…
Electron-phonon coupling of epigraphene at millikelvin temperatures
Bayan Karimi, Hans He, Yu-Cheng Chang +7
We investigate the basic charge and heat transport properties of charge neutral epigraphene at sub-kelvin temperatures, demonstrating nearly logarithmic dependence of electrical co…
Ambipolar charge transport in quasi-free-standing monolayer graphene on SiC obtained by gold intercalation
Kyung Ho Kim, Hans He, Claudia Struzzi +6
We present a study of quasi-free-standing monolayer graphene obtained by intercalation of Au atoms at the interface between the carbon buffer layer (Bu-L) and the silicon-terminate…
The performance limits of epigraphene Hall sensors
Hans He, Naveen Shetty, Thilo Bauch +5
Epitaxial graphene on silicon carbide, or epigraphene, provides an excellent platform for Hall sensing devices in terms of both high electrical quality and scalability. However, th…
Chemical sensing with atomically-thin metals templated by a two-dimensional insulator
Kyung Ho Kim, Hans He, Marius Rodner +8
Boosting the sensitivity of solid-state gas sensors by incorporating nanostructured materials as the active sensing element can be complicated by interfacial effects. Interfaces at…
Towards quantum-limited coherent detection of terahertz waves in charge-neutral graphene
S. Lara-Avila, A. Danilov, D. Golubev +7
Spectacular advances in heterodyne astronomy with both the Herschel Space Observatory and Stratospheric Observatory for Far Infrared Astronomy (SOFIA) have been largely due to brea…
Uniform doping of graphene close to the charge neutrality point by polymer-assisted spontaneous assembly of molecular dopants
Hans He, Kyung Ho Kim, Andrey Danilov +12
Tuning the charge carrier density of two-dimensional (2D) materials by incorporating dopants into the crystal lattice is a challenging task. An attractive alternative is the surfac…
Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system
T. J. B. M. Janssen, S. Rozhko, I. Antonov +7
We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8K and magnetic fields below 5T…
Influence of impurity spin dynamics on quantum transport in epitaxial graphene
Samuel Lara-Avila, Sergey Kubatkin, Oleksiy Kashuba +6
Experimental evidence from both spin-valve and quantum transport measurements points towards unexpectedly fast spin relaxation in graphene. We report magnetotransport studies of ep…
Disorder induced Dirac-point physics in epitaxial graphene from temperature-dependent magneto-transport measurements
J. Huang, J. A. Alexander-Webber, A. M. R. Baker +8
We report a study of disorder effects on epitaxial graphene in the vicinity of the Dirac point by magneto-transport. Hall effect measurements show that the carrier density increase…
The effect of bilayer domains on electronic transport properties of epitaxial graphene on SiC
Tom Yager, Arseniy Lartsev, Rositza Yakimova +2
Magnetotransport measurements on Hall bar devices fabricated on purely monolayer epitaxial graphene on Silicon Carbide (SiC/G) show a very tight spread in carrier concentration and…
Hot carrier relaxation of Dirac fermions in bilayer epitaxial graphene
J. Huang, J. A. Alexander-Webber, T. J. B. M. Janssen +8
Energy relaxation of hot Dirac fermions in bilayer epitaxial graphene is experimentally investigated by magnetotransport measurements on Shubnikov-de Haas oscillations and weak loc…
Quantum Hall Effect and Quantum Point Contact in Bilayer-Patched Epitaxial Graphene
C. J. Chua, M. R. Connolly, A. Lartsev +10
We study an epitaxial graphene monolayer with bilayer inclusions via magnetotransport measurements and scanning gate microscopy at low temperatures. We find that bilayer inclusions…
Probing of electromagnetic fields on atomic scale by photoelectric phenomena in graphene
Peter Olbrich, Christoph Drexler, Leonid E. Golub +8
We report on the observation of the reststrahl band assisted photocurrents in epitaxial graphene on SiC excited by infrared radiation. The peculiar spectral dependence for frequenc…
Weak localization scattering lengths in epitaxial, and CVD graphene
A. M. R. Baker, J. A. Alexander-Webber, T. Altebaeumer +8
Weak localization in graphene is studied as a function of carrier density in the range from 1 x \,cm to 1.43 x \,cm using devices produced by epitax…