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Optical Absorption in Ordered Arrays of Silver Nanoparticles
Author(s) -
Valencia F.,
Giraldo J.
Publication year - 2002
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200204)230:2<371::aid-pssb371>3.0.co;2-u
Subject(s) - dielectric , nanoparticle , materials science , silver nanoparticle , condensed matter physics , hexagonal lattice , absorption (acoustics) , lattice (music) , quantum dot , metal , hexagonal crystal system , molecular physics , optics , nanotechnology , optoelectronics , crystallography , chemistry , physics , composite material , antiferromagnetism , acoustics , metallurgy
Silver nanoparticles (diameters between 2.0 and 6.0 nm) arranged in a 2D hexagonal lattice and embedded in a dielectric matrix are considered in this work. The array resembles somehow the one tailored by Pileni and coworkers, Phys. Rev. B 59 , 13350 (1999) to study the electromagnetic coupling between metal nanoparticles and their size effects in the optical absorption coefficient. Non‐local and quantum size effects in the nanometric particles are taken into account by means of a size dependent dielectric function which includes level quantization as well as diffuse surface effects.