Lookup NU author(s): Dr Johannes Gausden,
Dr Toby Hallam
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Of the gases frequently used during graphene chemical vapor deposition (CVD),argon plays no direct chemical role and therefore may be suitable for substitutionwith the cheaper alternative of nitrogen. The impact of using nitrogen as a carriergas in methane-based hot-wall graphene CVD is investigated using Ramanspectroscopy, X-ray photoelectron spectroscopy, and time-of-flight secondary ionmass spectroscopy. No increase in the nitrogen signal is observed within gra-phene grown within a nitrogen atmosphere within the detection limits of thespectroscopic techniques used.
Author(s): Gausden J, Siris T, Stimpel-Lindner T, McEvoy N, Duesberg GS, Hallam T
Publication type: Article
Publication status: Published
Journal: physica status solidi (b)
Print publication date: 18/08/2019
Online publication date: 25/07/2019
Acceptance date: 09/08/2019
ISSN (print): 0370-1972
ISSN (electronic): 1521-3951
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