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Multi-terminal electrical transport measurements of molybdenum disulphide using van der Waals heterostructure device platform
Xu Cui, Gwan-Hyoung Lee, Young Duck Kim +15
Atomically thin two-dimensional (2D) semiconductors such as molybdenum disulphide (MoS2) hold great promise in electrical, optical, and mechanical devices and display novel physica…
Gate-controlled mid-infrared light bending with aperiodic graphene nanoribbons array
Eduardo Carrasco, Michele Tamagnone, Juan R. Mosig +2
Graphene plasmonic nanostructures enable subwavelength confinement of electromagnetic energy from the mid-infrared down to the terahertz frequencies. By exploiting the spectrally v…
Graphene Side Gate Engineering
Ching-Tzu Chen, Tony Low, Hsin-Ying Chiu +1
Various mesoscopic devices exploit electrostatic side gates for their operation. In this paper, we investigate how voltage-biasing of graphene side gates modulates the electrical t…
Nonlocal Electromagnetic Response of Graphene Nanostructures
Arya Fallahi, Tony Low, Michele Tamagnone +1
Nonlocal electromagnetic effects of graphene arise from its naturally dispersive dielectric response. We present semi-analytical solutions of nonlocal Maxwell's equations for graph…
Valley Splitting and Polarization by the Zeeman Effect in Monolayer MoSe2
Yilei Li, Jonathan Ludwig, Tony Low +12
We have measured circularly polarized photoluminescence in monolayer MoSe2 under perpendicular magnetic fields up to 10 T. At low doping densities, the neutral and charged excitons…
Substrate Sensitive Mid-Infrared Photoresponse in Graphene
Marcus Freitag, Tony Low, Luis Martin-Moreno +3
We report mid-infrared photocurrent spectra of graphene nanoribbon arrays on SiO2 dielectrics showing dual signatures of the substrate interaction. First, hybrid polaritonic modes…