Search results for "molecular plasmonics"

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Plasmon Excitations in Mixed Metallic Nanoarrays

2019

Features of the surface plasmon from macroscopic materials emerge in molecular systems, but differentiating collective excitations from single-particle excitations in molecular systems remains elusive. The rich interactions between single-particle electron-hole and collective electron excitations produce phenomena related to the chemical physics aspects within the atomic array. We study the plasmonic properties of atomic arrays of noble (Au, Ag, and Cu) and transition-metal (Pd, Pt) homonuclear chains using time-dependent density functional theory and their Kohn-Sham transition contributions. The response to the electromagnetic radiation is related to both the geometry-dependent confinement…

Materials scienceGeneral Physics and AstronomyFOS: Physical sciences02 engineering and technologyElectronoptiset ominaisuudet01 natural sciencesMolecular physicsElectromagnetic radiationHomonuclear moleculeplasmonicsnanorakenteet0103 physical sciencesMesoscale and Nanoscale Physics (cond-mat.mes-hall)Physics::Atomic and Molecular Clusterstransition contribution mapsGeneral Materials ScienceSurface plasmon resonance010306 general physicsPlasmonCondensed Matter - Materials ScienceCondensed Matter - Mesoscale and Nanoscale Physicsta114Surface plasmontiheysfunktionaaliteoriaGeneral EngineeringMaterials Science (cond-mat.mtrl-sci)molecular plasmonics021001 nanoscience & nanotechnologytime-dependent density-functional theorytime-dependent density functional theorycollective excitationQuasiparticleDensity functional theory0210 nano-technology
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