Measurement and Reduction of Damping in Plasmonic Nanowires

We report on a spectroscopic study of surface plasmon damping and group velocity in polycrystalline silver and gold nanowires. By comparing to single-crystalline wires and by using different substrates, we quantitatively deduce the relative damping contributions due to metal crystallinity and absorp...

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Veröffentlicht in:	Nano letters 2012-02, Vol.12 (2), p.661-665
Hauptverfasser:	Kusar, Primoz, Gruber, Christian, Hohenau, Andreas, Krenn, Joachim R
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) Condensed matter: electronic structure, electrical, magnetic, and optical properties Damping Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Gold - chemistry Metal Nanoparticles - chemistry Nanostructure Nanowires Networks Oxidation-Reduction Particle Size Physics Plasmonics Reduction Silver Silver - chemistry Surface and interface electron states Surface Plasmon Resonance Surface Properties Wire
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