Optical properties and plasmonic response of silver-gallium nanostructures

Optical properties and plasmonic response of silver-gallium nanostructures

Silver and gallium form an alloy Ag2Ga via a room temperature spontaneous self-assembly that exhibits remarkable mechanical and electrical properties suitable for nanoscale measurements. However, whether photon excitation of plasmons in this emerging nanomaterial is retained or not has not been esta...

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Veröffentlicht in:Journal of applied physics 2015-02, Vol.117 (6)
Hauptverfasser: Lereu, A. L., Lemarchand, F., Zerrad, M., Yazdanpanah, M., Passian, A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
Damping
Electrical properties
Engineering Sciences
Excitation
Gallium
MATERIALS SCIENCE
Micro and nanotechnologies
Microelectronics
Nanomaterials
Optical properties
Optics
Photonic
Physics
Plasmonics
Plasmons
Self-assembly
Silver
Thin films
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Beschreibung
Zusammenfassung:Silver and gallium form an alloy Ag2Ga via a room temperature spontaneous self-assembly that exhibits remarkable mechanical and electrical properties suitable for nanoscale measurements. However, whether photon excitation of plasmons in this emerging nanomaterial is retained or not has not been established. Here, we present a thin film formation of Ag2Ga via a spreading-reactive process of liquid Ga on an Ag film and a characterization of its dielectric function ϵ(E) = ϵ1(E) + iϵ2(E) in the photon energy range 1.42 eV ≤ E 
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4906950