2010/09/20 by O. Leenaerts, Hartwin Peelaers, H. Peelaers +4 · 3 citations
Materials Science · Physics and Astronomy · #2D Materials and Applications #Ga2O3 and related materials #Graphene research and applications #cond-mat.mtrl-sci
paper · pdf · doi:10.1103/physrevb.82.195436
published as Phys. Rev. B 82, 195436 (2010) · 6 pages, 3 figures, submitted to PRB
arxiv created 2010/09/20 · openalex publication_date 2010/11/18 · arxiv updated 2011/11/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Different stoichiometric configurations of graphane and graphene fluoride are investigated within density functional theory. Their structural and electronic properties are compared, and we indicate the similarities and differences among the various configurations. Large differences between graphane and graphene fluoride are found that are caused by the presence of charges on the fluorine atoms. A new configuration that is more stable than the boat configuration is predicted for graphene fluoride. We also perform GW calculations for the electronic band gap of both graphene derivatives. These band gaps and also the calculated Young's moduli are at variance with available experimental data. This might indicate that the experimental samples contain a large number of defects or are only partially covered with H or F.