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8 papers · 2 filters
Topological valley currents via ballistic edge modes in graphene superlattices near the primary Dirac point
Yang Li, Mario Amado, Timo Hyart +2
Graphene on hexagonal boron nitride (hBN) can exhibit a topological phase via mutual crystallographic alignment. Recent measurements of nonlocal resistance () near the seco…
Engineering symmetry breaking in two-dimensional layered materials
Luojun Du, Tawfique Hasan, Andres Castellanos-Gomez +4
Symmetry breaking in two-dimensional layered materials plays a significant role in their macroscopic electrical, optical, magnetic and topological properties, including but not lim…
Bolometer operating at the threshold for circuit quantum electrodynamics
R. Kokkoniemi, J. -P. Girard, D. Hazra +7
Radiation sensors based on the heating effect of the absorbed radiation are typically relatively simple to operate and flexible in terms of the input frequency. Consequently, they…
Band Bending and Valence Band Quantization at Line Defects in MoS
Clifford Murray, Camiel van Efferen, Wouter Jolie +6
The variation of the electronic structure normal to 1D defects in quasi-freestanding MoS, grown by molecular beam epitaxy, is investigated through high resolution scanning tunn…
Fermi velocity renormalization in graphene probed by terahertz time-domain spectroscopy
Patrick R. Whelan, Qian Shen, Binbin Zhou +13
We demonstrate terahertz time-domain spectroscopy (THz-TDS) to be an accurate, rapid and scalable method to probe the interaction-induced Fermi velocity renormalization νF^* of cha…
Quantum confinement of Dirac quasiparticles in graphene patterned with subnanometer precision
E. Cortés-del Río, P. Mallet, H. González-Herrero +5
Quantum confinement of graphene Dirac-like electrons in artificially crafted nanometer structures is a long sought goal that would provide a strategy to selectively tune the electr…