Laser-driven structural modifications and diffusion phenomena of plasmonic AlN/Ag stratified films

Delli, E, Bazioti, C, Pliatsikas, N, Kalfagiannis, N ORCID: 0000-0002-4030-5525, Vourlias, G, Siozios, A, Dimitrakopulos, GP, Koutsogeorgis, DC ORCID: 0000-0001-6167-1084 and Patsalas, P, 2016. Laser-driven structural modifications and diffusion phenomena of plasmonic AlN/Ag stratified films. Surface and Coatings Technology, 295, pp. 46-53. ISSN 0257-8972

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Laser annealing (LA) of AlN/Ag multilayers was proven to be an effective process to control the structure and dispersion of Ag into the AlN resulting in intense coloration via the localized surface plasmon resonance, which is of particular importance for decorative applications. In this work we present a study of the structural changes occurring in various AlN/Ag multilayers after LA, in an effort to establish firm knowledge of the diffusion and re-nucleation mechanisms that occur during the laser process. We investigate the effect of the basic LA parameters, such as the laser wavelength (193 and 248 nm), fluence (400–700 mJ/cm2), pressure (1 and 10 Bar) and number of pulses (1 and 2) and we show that the main processes is the Ag particle enhancement close to the film surface as a result of additive outidiffusion Ag and the formation of nanoparticles of varying size.

Item Type: Journal article
Publication Title: Surface and Coatings Technology
Creators: Delli, E., Bazioti, C., Pliatsikas, N., Kalfagiannis, N., Vourlias, G., Siozios, A., Dimitrakopulos, G.P., Koutsogeorgis, D.C. and Patsalas, P.
Publisher: Elsevier
Date: 15 June 2016
Volume: 295
ISSN: 0257-8972
S0257897215304126Publisher Item Identifier
Rights: © 2015 Elsevier B.V. All rights reserved.
Divisions: Schools > School of Science and Technology
Depositing User: Jonathan Gallacher
Date Added: 11 Apr 2017 10:50
Last Modified: 09 Jun 2017 14:14

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