title: Controlling plasmon line shapes through diffractive coupling in linear arrays of cylindrical nanoparticles fabricated by electron beam lithography.
abstract: The effect of diffractive coupling on the collective plasmon line shape of linear arrays of Ag nanoparticles fabricated by electron beam lithography has been investigated using Rayleigh scattering spectroscopy. The array spectra exhibit an intricate multi-peak structure, including a narrow mode that gains strength for interparticle distances that are close to the single particle resonance wavelength. A version of the discrete dipole approximation method provides an excellent qualitative description of the observed behavior.
authors.affiliation: Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA.
authors.forename: Erin M
authors.initials: EM
authors.lastname: Hicks
authors.forename: Shengli
authors.initials: S
authors.lastname: Zou
authors.forename: George C
authors.initials: GC
authors.lastname: Schatz
authors.forename: Kenneth G
authors.initials: KG
authors.lastname: Spears
authors.forename: Richard P
authors.initials: RP
authors.lastname: Van Duyne
authors.forename: Linda
authors.initials: L
authors.lastname: Gunnarsson
authors.forename: Tomas
authors.initials: T
authors.lastname: Rindzevicius
authors.forename: Bengt
authors.initials: B
authors.lastname: Kasemo
authors.forename: Mikael
authors.initials: M
authors.lastname: Käll
mesh_terms: D004583:Electrons; D018625:Microscopy, Atomic Force; D008855:Microscopy, Electron, Scanning; D049329:Nanostructures / Q000737:chemistry; D036103:Nanotechnology / Q000379:methods*; D012542:Scattering, Radiation; D012834:Silver / Q000737:chemistry; D013053:Spectrophotometry / Q000379:methods*
chemical_list: D012834:Silver