Plasmon Hybridization in Nanoparticle Dimers

We apply the recently developed plasmon hybridization method to nanoparticle dimers, providing a simple and intuitive description of how the energy and excitation cross sections of dimer plasmons depend on nanoparticle separation. We show that the dimer plasmons can be viewed as bonding and antibond...

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Bibliographic Details
Published in:Nano letters 2004-05, Vol.4 (5), p.899-903
Main Authors: Nordlander, P, Oubre, C, Prodan, E, Li, K, Stockman, M. I
Format: Article
Language:English
Subjects:
Chemical synthesis methods
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Methods of nanofabrication
Nanopowders
Nanoscale materials and structures: fabrication and characterization
Physics
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Summary:We apply the recently developed plasmon hybridization method to nanoparticle dimers, providing a simple and intuitive description of how the energy and excitation cross sections of dimer plasmons depend on nanoparticle separation. We show that the dimer plasmons can be viewed as bonding and antibonding combinations, i.e., hybridization of the individual nanoparticle plasmons. The calculated plasmon energies are compared with results from FDTD simulations.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl049681c