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Optical properties of organic material produced in a dusty plasma

Ahmed Mahjoub 1 Nathalie Carrasco 1 Pierre-Richard Dahoo 1 Thomas Gautier 1 Cyril Szopa 1 Guy Cernogora 1 
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : Thin films of organic material produced in a dusty plasma in N2-CH4 mixtures are deposited on silicon substrates. The real (n) and imaginary (k) parts of the complex refractive index are determined using the spectroscopic ellipsometry technique in the 370-1000 nm wavelength range. The optical index depend strongly on the methane concentrations: k values decreases with initial CH4 concentration, while the real optical index (n) increases. Thanks to Mid-infrared spectra recorded for thin films, the larger absorption in the visible range is explained by an increase of the secondary and primary amines signatures.
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Submitted on : Monday, October 15, 2012 - 1:38:17 PM
Last modification on : Tuesday, November 16, 2021 - 4:02:17 AM
Long-term archiving on: : Wednesday, January 16, 2013 - 3:38:32 AM


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  • HAL Id : hal-00741827, version 1


Ahmed Mahjoub, Nathalie Carrasco, Pierre-Richard Dahoo, Thomas Gautier, Cyril Szopa, et al.. Optical properties of organic material produced in a dusty plasma. ESCAMPIG 2012 (Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases), Jul 2012, Viana do Castelo, Portugal. 2 p. ⟨hal-00741827⟩



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