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DOI: 10.1063/1.1365076
OpenAccess: Closed
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Raman and infrared modes of hydrogenated amorphous carbon nitride

S.E. Rodil,Andrea C. Ferrari,John Robertson,W. I. Milne

Raman spectroscopy
Amorphous carbon
Infrared
2001
Features in the Raman and infrared (IR) spectra of highly sp3 bonded hydrogenated amorphous carbon nitride films are assigned. The Raman spectra show three main features all found in a-C itself, the G and D peaks at 1550 and 1350 cm−1, respectively, and the L peak near 700 cm−1. The intensity ratio of the D and G peaks, I(D)/I(G), is found to scale as (band gap)−2, which confirms that nitrogen induces carbon to form sp2 graphitic clusters. The intensity of the L mode is found to scale with the D mode, supporting its identification as an in-plane rotational mode of sixfold rings in graphitic clusters. A small feature at 2200 cm−1 due to C≡N modes is seen, but otherwise the Raman spectra resembles that of a-C and shows no specific features due to N atoms. The hydrogen content is found to have a strong effect on the IR spectra at 1100–1600 cm−1 making this band asymmetric towards the 1600 cm−1 region.
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    Raman and infrared modes of hydrogenated amorphous carbon nitride” is a paper by S.E. Rodil Andrea C. Ferrari John Robertson W. I. Milne published in 2001. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.