Tailoring surface plasmon resonance and dipole cavity plasmon modes of scattering cross section spectra on the single solid-gold/gold-shell nanorod

2016 ◽  
Vol 120 (9) ◽  
pp. 093110 ◽  
Author(s):  
Yuan-Fong Chou Chau ◽  
Chee Ming Lim ◽  
Chuanyo Lee ◽  
Hung Ji Huang ◽  
Chun-Ting Lin ◽  
...  
RSC Advances ◽  
2016 ◽  
Vol 6 (31) ◽  
pp. 26216-26226 ◽  
Author(s):  
Vivek Garg ◽  
Brajendra S. Sengar ◽  
Vishnu Awasthi ◽  
Aaryashree Aaryashree ◽  
Pankaj Sharma ◽  
...  

We report a detailed correlation analysis of the size, shape, and distribution of Au nanoparticles (NPs) on fine-tuning of localized surface plasmon resonance and optical absorption cross-section.


Nanoscale ◽  
2014 ◽  
Vol 6 (20) ◽  
pp. 12080-12088 ◽  
Author(s):  
Yu Liu ◽  
Sylvie Begin-Colin ◽  
Benoît P. Pichon ◽  
Cedric Leuvrey ◽  
Dris Ihiawakrim ◽  
...  

This work reports about nanoparticle dipolar effects and substrate to nanoparticle interaction by modeling the surface plasmon scattering cross-section on experimental two dimensional monolayers versus three dimensional randomly distributed assemblies.


Mathematics ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 1429
Author(s):  
Mario Lucido

The surface plasmon resonances of a monolayer graphene disk, excited by an impinging plane wave, are studied by means of an analytical-numerical technique based on the Helmholtz decomposition and the Galerkin method. An integral equation is obtained by imposing the impedance boundary condition on the disk surface, assuming the graphene surface conductivity provided by the Kubo formalism. The problem is equivalently formulated as a set of one-dimensional integral equations for the harmonics of the surface current density. The Helmholtz decomposition of each harmonic allows for scalar unknowns in the vector Hankel transform domain. A fast-converging Fredholm second-kind matrix operator equation is achieved by selecting the eigenfunctions of the most singular part of the integral operator, reconstructing the physical behavior of the unknowns, as expansion functions in a Galerkin scheme. The surface plasmon resonance frequencies are simply individuated by the peaks of the total scattering cross-section and the absorption cross-section, which are expressed in closed form. It is shown that the surface plasmon resonance frequencies can be tuned by operating on the chemical potential of the graphene and that, for orthogonal incidence, the corresponding near field behavior resembles a cylindrical standing wave with one variation along the disk azimuth.


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