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Sökning: WFRF:(Brodoceanu D)

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1.
  • Landström, Lars, et al. (författare)
  • Extraordinary transmission through metal-coated monolayers of microspheres
  • 2009
  • Ingår i: Optics Express. - 1094-4087. ; 17:2, s. 761-772
  • Tidskriftsartikel (refereegranskat)abstract
    • The spectral dependence of the extraordinary transmission through monolayers of close-packed silica or polystyrene microspheres on a quartz support, covered with different thin metal films (Ag, Au and Ni) was investigated. The measured spectra were compared with modeled transmission spectra using finite difference time domain (FDTD) calculations. Measured and modeled spectra show good overall agreement. The supported modes in the sphere array were found to be of utmost importance for the transmission mechanism and the results also suggest that the presence of guided modes in the photonic crystal may further enhance the extraordinary transmission through the metal film.
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2.
  • Rashid, A, et al. (författare)
  • Lamp-assisted CVD of carbon micro/nano-structures using metal catalysts and CH2I2 precursor
  • 2009
  • Ingår i: Applied Surface Science. - : Elsevier BV. - 0169-4332 .- 1873-5584. ; 255:10, s. 5368-5372
  • Tidskriftsartikel (refereegranskat)abstract
    • Carbon micro/nanofibers and nanotubes were deposited via chemical vapor deposition (CVD) using CH2I2 precursor and different metal catalysts (Pd, Ni, Fe, Co and Mn) on Si (1 0 0) substrates. A versatile and low-cost IR lamp technique is employed to induce the deposition process. With this method carbon features could be obtained already at temperatures much lower than with common techniques. Palladium metal was deposited by laser-assisted CVD from a liquid solution of the ammine complex and the 3d metals by thermal evaporation. Large-scale periodicity of nano-sized metal catalysts, and subsequently of carbon deposits was obtained by using monolayers of polystyrene microspheres as mask. The carbon structures were analyzed by SEM and micro-Raman spectroscopy.
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  • Resultat 1-2 av 2
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tidskriftsartikel (2)
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refereegranskat (2)
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Landström, Lars (2)
Brodoceanu, D (2)
Rashid, A (1)
Martin-Moreno, L (1)
Bäuerle, D (1)
Garcia-Vidal, J (1)
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Rodrigo, Sergio G. (1)
Piglmayer, K (1)
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Uppsala universitet (2)
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Engelska (2)
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Naturvetenskap (2)
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2009 (2)

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