Plasmon dispersion in self-organized Au nanoparticle arrays (Articolo in rivista)

Type
Label
  • Plasmon dispersion in self-organized Au nanoparticle arrays (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.85.235426 (literal)
Alternative label
  • L. Anghinolfi1,L. Mattera1, M. Canepa1, and F. Bisio2 (2012)
    Plasmon dispersion in self-organized Au nanoparticle arrays
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L. Anghinolfi1,L. Mattera1, M. Canepa1, and F. Bisio2 (literal)
Pagina inizio
  • 235426 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.85.235426 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 85 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1CNISM, Sede Consorziata di Genova and Dipartimento di Fisica, Universit√† di Genova, via Dodecaneso 33, I-16146 Genova, Italy 2CNR-SPIN, C.so Perrone 24, I-16152 Genova, Italy (literal)
Titolo
  • Plasmon dispersion in self-organized Au nanoparticle arrays (literal)
Abstract
  • We report on the dispersion relations of surface plasmon resonance (SPR) modes in spatially extended self-organized two-dimensional arrays of closely spaced gold nanoparticles (NPs). The arrays are supported on uniaxially rippled LiF substrates that trigger the organization of the metallic gold NPs in sequences of closely spaced chains. We measured the dispersion of the longitudinal and transverse SPR modes of these chains and successfully reproduced the experimental data by means of a modified effective-medium model. The calculations show that the interchain electromagnetic coupling increases by almost one order of magnitude the SP group velocity in well-defined regions of the Brillouin zone with respect to isolated chains. (literal)
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