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Graphene on ferromagnetic surfaces and its functionalization with water and ammonia

MPG-Autoren
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Böttcher,  Stefan
Molecular Physics, Fritz Haber Institute, Max Planck Society;
Institut für Chemie und Biochemie, Freie Universität Berlin;

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Weser,  Martin
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Dedkov,  Yurij S.
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Horn,  Karsten
Molecular Physics, Fritz Haber Institute, Max Planck Society;

Externe Ressourcen

http://www.nanoscalereslett.com/content/6/1/214
(Verlagsversion)

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1556-276X-6-214.pdf
(Verlagsversion), 960KB

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Zitation

Böttcher, S., Weser, M., Dedkov, Y. S., Horn, K., Voloshina, E. N., & Paulus, B. (2011). Graphene on ferromagnetic surfaces and its functionalization with water and ammonia. Nanoscale Research Letters, 6: 214. doi:10.1186/1556-276X-6-214.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0011-2FFC-A
Zusammenfassung
In this article, an angle-resolved photoelectron spectroscopy (ARPES), X-ray absorption spectroscopy (XAS), and density-functional theory (DFT) investigations of water and ammonia adsorption on graphene/Ni(111) are presented. The results of adsorption on graphene/Ni(111) obtained in this study reveal the existence of interface states, originating from the strong hybridization of the graphene π and spin-polarized Ni 3d valence band states. ARPES and XAS data of the H₂O (NH₃)/graphene/Ni(111) system give an information regarding the kind of interaction between the adsorbed molecules and the graphene on Ni(111). The presented experimental data are compared with the results obtained in the framework of the DFT approach.