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Laser-nanostructured Ag films as substrates for surface-enhanced Raman spectroscopy

Henley, SJ, Carey, JD and Silva, SRP (2006) Laser-nanostructured Ag films as substrates for surface-enhanced Raman spectroscopy APPLIED PHYSICS LETTERS, 88 (8), ARTN 0.

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Pulsed-laser (248 nm) irradiation of Ag thin films was employed to produce nanostructured AgSi O2 substrates. By tailoring the laser fluence, it was possible to controllably adjust the mean diameter of the resultant near-spherical Ag droplets. Thin films of tetrahedral amorphous carbon (ta-C) were subsequently deposited onto the nanostructured substrates. Visible Raman measurements were performed on the ta-C films, where it was observed that the intensity of the Raman signal was increased by nearly two orders of magnitude, when compared with ta-C films grown on nonstructured substrates. The use of laser annealing as a method of preparing substrates, at low macroscopic temperatures, for surface-enhanced Raman spectroscopy on subnanometer-thick films is discussed. © 2006 American Institute of Physics.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Authors : Henley, SJ, Carey, JD and Silva, SRP
Date : 20 February 2006
DOI : 10.1063/1.2178387
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Applied, Physics, THIN-FILMS, SILVER, DEPOSITION, CARBON, GOLD
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Additional Information :

Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

The following article appeared in Applied Physics Letters, 88 (8) 081904 and may be found at S. J. Henley et al., Appl. Phys.Lett. 88, 081904 (2006)

Depositing User : Mr Adam Field
Date Deposited : 28 Jan 2013 10:22
Last Modified : 06 Jul 2019 05:11

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