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Laser-Induced Formation of Periodic Structures in Plasma Deposited Polymer Films Containing Au, Ag, and Cu Nanoparticles
Published online by Cambridge University Press: 01 February 2011
Abstract
Thin polymer films containing metal nanoparticles were irradiated with linearly polarized femtosecond laser pulses. The resulting laser-induced periodic modification of the nanoparticle assemblies was studied by using scanning and transmission electron microscopy. The structure period Lambda is correlated with the applied laser wavelength lambda by Lambda = 0.7 lambda. The effect was observed for gold, silver and copper nanoparticles. Optical spectra of the laser-irradiated films show a clear dichroism.
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