Effect of viscous electron flow on THz plasma waves in field effect transistors
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2020.07.002
Abstract: Abstract The instability of plasma waves is influenced by many factors, such as quantum effects and electrical thermal motion. However, in sufficiently small electronic devices, viscous electron flows can be generated from the electronic interactions… read more here.
Keywords: viscous electron; plasma waves; effect transistors; electron ... See more keywords
Evidence for Local Spots of Viscous Electron Flow in Graphene at Moderate Mobility.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c01145
Abstract: Dominating electron-electron scattering enables viscous electron flow exhibiting hydrodynamic current density patterns, such as Poiseuille profiles or vortices. The viscous regime has recently been observed in graphene by nonlocal transport experiments and mapping of the… read more here.
Keywords: moderate mobility; viscous electron; electron flow; graphene ... See more keywords
Conformal maps of viscous electron flow in the Gurzhi crossover
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.155305
Abstract: We investigate the impact of geometric constriction on the viscous flow of electron liquid through quantum point contacts. We provide analysis on the electric potential distribution given the setup of a slit configuration and use… read more here.
Keywords: conformal maps; maps viscous; gurzhi; gurzhi crossover ... See more keywords
Diffusion of Photoexcited Holes in a Viscous Electron Fluid.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.136801
Abstract: The diffusion of photogenerated holes is studied in a high-mobility mesoscopic GaAs channel where electrons exhibit hydrodynamic properties. It is shown that the injection of holes into such an electron system leads to the formation… read more here.
Keywords: photoexcited holes; diffusion; holes viscous; electron fluid ... See more keywords