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Surface property change of graphene using nitrogen ion
- Authors
- Kim, Ki-Jeong; Lee, Hangil; Choi, Junghun; Lee, Hankoo; Jung, Min Cherl; Shin, H. J.; Kang, T-H; Kim, B.; Kim, Sehun
- Issue Date
- Feb-2010
- Publisher
- IOP PUBLISHING LTD
- Citation
- JOURNAL OF PHYSICS-CONDENSED MATTER, v.22, no.4
- Journal Title
- JOURNAL OF PHYSICS-CONDENSED MATTER
- Volume
- 22
- Number
- 4
- ISSN
- 0953-8984
1361-648X
- Abstract
- We introduced nitrogen ions to modify the graphene surface and its property changes were investigated. A graphene layer grown on 6H-SiC(0001) was irradiated with 100 eV nitrogen ions. Surface property changes were studied using photoemission spectroscopy (PES), near edge x-ray adsorption spectroscopy (NEXAFS), and atomic force microscopy(AFM). N 1s core level spectra show that three kinds of nitrogen species, nitrogen gas, graphite- like and pyridine-like nitrogen were induced on the nitrogen ion implanted graphene surface.
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