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“School of Nano-Sciences”

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Paper   IPM / Nano-Sciences / 13303
School of Nano Science
  Title:   Plasmonic modes and extinction properties of a random nanocomposite cylinder
  Author(s):  Afshin Moradi
  Status:   Published
  Journal: Phys. Plasmas
  No.:  4
  Vol.:  21
  Year:  2014
  Pages:   042112(1-7)
  Publisher(s):   AIP Publishing
  Supported by:  IPM
  Abstract:
We study the properties of surface plasmon-polariton waves of a random metal-dielectric nanocomposite cylinder, consisting of bulk metal embedded with dielectric nanoparticles. We use the Maxwell-Garnett formulation to model the effective dielectric function of the composite medium and show that there exist two surface mode bands. We investigate the extinction properties of the system, and obtain the dependence of the extinction spectrum on the nanoparticles’ shape and concentration as well as the cylinder radius and the incidence angle for both TE and TM polarization.

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