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Dual Origin of Room Temperature Sub-Terahertz Photoresponse in Graphene Field Effect Transistors
D. A. Bandurin, I. Gayduchencko, Y. Cao +6
Graphene is considered as a promising platform for detectors of high-frequency radiation up to the terahertz (THz) range due to graphenes superior electron mobility. Previously…
Negative electronic compressibility enables electrically-induced charge density waves in a two-dimensional electron liquid
Erica E. Hroblak, Alessandro Principi, Hui Zhao +1
We show that the negative electronic compressibility of two-dimensional electronic systems at sufficiently low density enables the generation of charge density waves through the ap…
Superballistic flow of viscous electron fluid through graphene constrictions
R. Krishna Kumar, D. A. Bandurin, F. M. D. Pellegrino +13
Electron-electron (e-e) collisions can impact transport in a variety of surprising and sometimes counterintuitive ways. Despite strong interest, experiments on the subject proved c…
Out-of-plane heat transfer in van der Waals stacks: electron-hyperbolic phonon coupling
K. J. Tielrooij, N. C. H. Hesp, A. Principi +20
Van der Waals heterostructures have emerged as promising building blocks that offer access to new physics, novel device functionalities, and superior electrical and optoelectronic…
Chiral second-sound collective mode at the edge of 2D systems with nontrivial Berry curvature
Alessandro Principi, Mikhail I. Katsnelson, Alex Levchenko
We study the thermal transport in two-dimensional systems with a nontrivial Berry curvature texture. The physical realizations are many: for a sake of definiteness we consider undo…