60 citations · 135 across the 5 of their papers we have counts for
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Multiple Quantum Phases in Graphene with Enhanced Spin-Orbit Coupling: From the Quantum Spin Hall Regime to the Spin Hall Effect and a Robust Metallic State
Alessandro Cresti, Dinh Van Tuan, David Soriano +2
We report an intriguing transition from the quantum spin Hall phase to the spin Hall effect upon segregation of thallium adatoms adsorbed onto a graphene surface. Landauer-Büttiker…
Quantum Hall effect in polycrystalline graphene: The role of grain boundaries
Aron W. Cummings, Alessandro Cresti, Stephan Roche
We use numerical simulations to predict peculiar magnetotransport fingerprints in polycrystalline graphene, driven by the presence of grain boundaries of varying size and orientati…
Anomalous dissipation mechanism and Hall quantization limit in polycrystalline graphene grown by chemical vapor deposition
F. Lafont, R. Ribeiro-Palau, Z. Han +8
We report on the observation of strong backscattering of charge carriers in the quantum Hall regime of polycrystalline graphene grown by chemical vapor deposition, which alters the…
Electrical Contacts to Three-Dimensional Arrays of Carbon Nanotubes
Aron W. Cummings, Julien Varennes, François Léonard
We use numerical simulations to investigate the properties of metal contacts to three-dimensional arrays of carbon nanotubes (CNTs). For undoped arrays top-contacted with high or l…
Subband anticrossing and the spin Hall effect in quantum wires
A. W. Cummings, R. Akis, D. K. Ferry
We report on numerical simulations of the intrinsic spin Hall effect in semiconductor quantum wires as a function of the Rashba spin-orbit coupling strength, the electron density,…