Volume 79, Number 4, August 2007
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||19 July 2007|
Self-organized growth and optical properties of silver nanoparticle chains and stripes
Laboratoire de Métallurgie Physique, UMR 6630 CNRS, Université de Poitiers, SP2MI, Téléport 2 Bvd M. et P. Curie, BP 30179, 86962 Futuroscope Cedex, France
Corresponding author: email@example.com
Accepted: 27 June 2007
Self-organized chains and stripes of silver nanoparticles have been elaborated by ion-beam sputtering shadow deposition onto faceted alumina substrates. We show that the in-plane organization of the silver nanostructures can be controlled through the grazing-incidence conditions (angle and orientation of the atomic beam with respect to the nanostructured surface). Their optical properties are dominated by a surface-plasmon resonance whose spectral position depends on the polarization of the incident light (parallel or perpendicular to the facets of the alumina template) and that can be attributed to a strong electromagnetic coupling between individual nanoparticles.
PACS: 78.67.-n – Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures / 81.07.-b – Nanoscale materials and structures: fabrication and characterization / 81.15.Cd – Deposition by sputtering
© Europhysics Letters Association, 2007
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