Document Detail


Multipole Surface Plasmon Resonances in Conductively Coupled Metal Nanowire Dimers.
MedLine Citation:
PMID:  23020274     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We report on the experimental and the theoretical investigation of multipole surface plasmon resonances in metal nanowires conductively connected by small junctions. The influence of a conductive junction on the resonance energies of nanowire dimers was simulated using the finite element method based software CST Mircowave Studio and experimentally measured by electron energy-loss spectroscopy in a transmission electron microscope. We extend the analysis of conductively connected structures to higher-order multipole modes up to third order, including dark modes. Our results reveal that an increase in junction size do not shift significantly the antibonding modes, but causes a strong blue shift of the bonding modes, leading to an energetic rearrangement of the modes compared to those of a capacitively coupled dimer with similar dimensions.
Authors:
Ina Alber; Wilfried Sigle; Frank Demming-Janssen; Reinhard Neumann; Christina Trautmann; Peter A van Aken; Maria Eugenia Toimil-Molares
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-1
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  ACS Nano     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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