Design of a highly sensitive tunable plasmonic refractive index sensor based on a ring-shaped nano-resonator

L Hajshahvaladi, H Kaatuzian, M Danaie… - Optical and Quantum …, 2022 - Springer
In this paper, a high-sensitivity and tunable plasmonic refractive index sensor based on a
nano ring-shaped resonator is proposed. This structure can be used as a multi-wavelength …

First-principles calculations of plasmon excitations in graphene, silicene, and germanene

P Li, R Shi, P Lin, X Ren - Physical Review B, 2023 - APS
Plasmon excitations in graphene, silicene, and germanene are studied using linear-
response time-dependent density functional theory within the random phase approximation …

A graphene-based multiband antipodal Vivaldi nanoantenna for UWB applications

G Bansal, A Marwaha, A Singh - Journal of computational electronics, 2020 - Springer
The design and optimization of an antipodal Vivaldi antenna using graphene material for
ultra-wideband applications are described. A frequency-reconfigurable graphene antipodal …

Plasmon properties and hybridization effects in silicene

C Vacacela Gomez, M Pisarra, M Gravina, P Riccardi… - Physical Review B, 2017 - APS
The plasmonic character of monolayer silicene is investigated by time-dependent density
functional theory in the random phase approximation. Both the intrinsic (undoped) and …

Graphene disks for frequency control of terahertz waves in broadband applications

S Borzooei, E Rezagholizadeh… - Journal of Computational …, 2020 - Springer
The terahertz (THz) gap lying between the microwave and optical parts of the
electromagnetic spectrum has attracted immense attention due to its applications between …

Plasmon oscillations in two-dimensional arrays of ultranarrow graphene nanoribbons

A Sindona, M Pisarra, S Bellucci, T Tene, M Guevara… - Physical Review B, 2019 - APS
The recent ability to manipulate graphene-like structures at the atomic scale is opening up
new challenges in electronics and photonics, with a key focus on the bulk and edges of the …

[HTML][HTML] Tunable plasmons in regular planar arrays of graphene nanoribbons with armchair and zigzag-shaped edges

CV Gomez, M Pisarra, M Gravina… - Beilstein journal of …, 2017 - beilstein-journals.org
Recent experimental evidence for and the theoretical confirmation of tunable edge
plasmons and surface plasmons in graphene nanoribbons have opened up new …

Modeling and electrochemical characterization of electrodes based on epoxy composite with functionalized nanocarbon fillers at high concentration

A Cataldo, G Biagetti, D Mencarelli, F Micciulla… - Nanomaterials, 2020 - mdpi.com
This paper deals with the electrochemical characterization and the equivalent circuit
modeling of screen-printed electrodes, modified by an epoxy composite and loaded with …

Hydrodynamic terahertz plasmons and electron sound in graphene with spatial dispersion

DV Fateev, VV Popov - Semiconductors, 2020 - Springer
The intrinsic transverse-magnetic modes of graphene with spatial dispersion are
investigated theoretically in the hydrodynamic regime in a terahertz frequency range. It is …

Deriving a lumped element surface impedance model for periodic arrays of graphene micro-rings

MSA Naeini, M Maddahali… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, a lumped element circuit model for a periodic array of Graphene rings is
derived using analytical procedures. The computations are in the subwavelength regime …