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Resonant raman scattering of hydrogenated amorphous carbon - evidence for pi-bonded carbon clusters

 
: Ramsteiner, M.; Wagner, J.

:

Applied Physics Letters 51 (1987), No.17, pp.1355-1357 : Abb.,Lit.
ISSN: 0003-6951 (Print)
ISSN: 1077-3118
English
Journal Article
Fraunhofer IAF ()
amorpher Kohlenstoff; Bindungsstruktur; resonante Ramanstreuung

Abstract
Resonant Raman spectroscopy has been used to study amorphous hydrogenated carbon films. For films containing both sp2 and sp3 bonded carbon a well-defined high-frequency shift of the main Raman peak is observed with increasing exciting photon energy. This shift is interpreted in terms of scattering from pi-bonde carbon clusters which is resonantly enhanced for incident photon energies approaching the pi-pi resonance. (IAF)

: http://publica.fraunhofer.de/documents/PX-31842.html