Scanning tunneling microscope image of cobalt atoms (gold) adsorbed on a graphene sheet that covers a Ru(0001) metal substrate. The corrugation of the graphene moiré structure is highlighted with hills (blue) and valleys (green).
From the article:
Tailoring the Magnetism of Co Atoms on Graphene through Substrate HybridizationF. Donati, L. Gragnaniello, A. Cavallin, F. D. Natterer, Q. Dubout, M. Pivetta, F. Patthey, J. Dreiser, C. Piamonteze, S. Rusponi, and H. Brune
Phys. Rev. Lett. 113, 177201 (2014)
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