Optical and structural properties of Au-Ag islands films for plasmonic applications

Bimetallic islands films consisting of composite Au-Ag nanoparticles are deposited on glass substrates by electron beam evaporation. Broad tuning of the surface-plasmon resonance (SPR) characteristics can be achieved by controlling film composition, deposition temperature and post-deposition thermal...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2011-06, Vol.103 (3), p.745-748
Main Authors: Sancho-Parramon, J., Janicki, V., Lončarić, M., Zorc, H., Dubček, P., Bernstorff, S.
Format: Article
Language:English
Subjects:
Bimetals
Characterization and Evaluation of Materials
Condensed Matter Physics
Deposition
Gold
Islands
Machines
Manufacturing
Nanoparticles
Nanotechnology
Optical and Electronic Materials
Optical properties
Physics
Physics and Astronomy
Plasmonics
Processes
Surfaces and Interfaces
Thin Films
Tuning
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Description
Summary:Bimetallic islands films consisting of composite Au-Ag nanoparticles are deposited on glass substrates by electron beam evaporation. Broad tuning of the surface-plasmon resonance (SPR) characteristics can be achieved by controlling film composition, deposition temperature and post-deposition thermal annealing. Optical and structural characterization of the samples enable one to establish the link between the SPR and the morphological and compositional characteristics of nanoparticles.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-010-6231-x