Plasmon dispersion and Landau damping in the nonlinear quantum regime

F Haas, JT Mendonça, H Terças - Physical Review E, 2023 - APS
We study the dispersion properties of electron plasma waves, or plasmons, which can be
excited in quantum plasmas in the nonlinear regime. In order to describe nonlinear electron …

Design of Graphene-Coated Silver Nanoparticle Based on Numerical Solution to Enhance the Absorption of the Thin-Film Solar Cell

H Kanani, S Golmohammadi, HR Saghai, J Pouladi - Plasmonics, 2024 - Springer
In recent years, thin-film silicon solar cells have garnered significant attention due to their
low manufacturing costs, yet their efficiency remains relatively low owing to their limited …

Nonlinear density waves on graphene electron fluids

P Cosme, H Terças - Physical Review B, 2023 - APS
The hydrodynamic behavior of charged carriers leads to nonlinear phenomena such as
solitary waves and shocks, among others. As an application, such waves might be exploited …

Anomalous conductivity due to two-stream instability in bilayer graphene

V Pinhão, P Cosme, H Terças - Physical Review B, 2023 - APS
We investigate the electron-hole two-stream instability (or Coulomb drag) in bilayer
graphene in the hydrodynamic regime, accounting for the effects of temperature, initial drift …

Electronic viscous boundary layer in gated graphene

P Cosme, JS Santos, H Terças - Physica Scripta, 2022 - iopscience.iop.org
We investigate the boundary layer problem in viscous electronic flows in gated graphene.
Recent experiments on graphene hydrodynamics indicate the emergence of non-Poiseuille …

Feedback enhanced Dyakonov–Shur instability in graphene field-effect transistors

P Cosme, D Simões - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Graphene devices are known to have the potential to operate THz signals. In particular,
graphene field-effect transistors (gFETs) have been proposed as devices to host plasmonic …

Design of Graphene-Based Core/Shell Nanoparticles to Enhance the Absorption of Thin Film Solar Cells

A Mehrpanah, HR Saghai, B Sakkaki, A Daghigh - Plasmonics, 2024 - Springer
Plasmonic nanoparticles have had a great impact on the enhancement of the absorption of
the thin film solar cell. In this study, we propose two core/shell nanoparticles including …

Effect of external magnetic field on the instability of THz plasma waves in nanoscale graphene field-effect transistors

L Zhang, Z Sun, J Li, J Su - Chinese Physics B, 2024 - iopscience.iop.org
The instability of plasma waves in the channel of field-effect transistors will cause the
electromagnetic waves with THz frequency. Based on a self-consistent quantum …

Nonlinear Chiral Plasmonics in Two-dimensional Dirac Materials

P Cosme, H Terças, V Santos - 2023 IEEE Nanotechnology …, 2023 - ieeexplore.ieee.org
The realm of plasmonic devices based on two-dimensional and layered materials promises
us a way to bridge electronics and photonics, closing the THz gap. While giving rise to a …

Nonlinear Chiral Plasmonics in Graphene

P Cosme - phantomsfoundation.com
The realm of plasmonic devices based on graphene and akin materials promises us a way
to bridge electronics and photonics, closing the THz gap [1]. Here we study the occurrence …