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Figure 1 | Nanoscale Research Letters

Figure 1

From: Graphene on ferromagnetic surfaces and its functionalization with water and ammonia

Figure 1

Geometry of the H 2 O,NH 3 /graphene/Ni(111) systems investigated in this study. Graphene layer is arranged in the top-fcc configuration on Ni(111). Adsorbed molecules can be placed in three different highly symmetric adsorption sites: T, on-top; B, on-bond; C, center, with respect to the graphene lattice. Two examples of adsorption are shown: for NH3 in the on-top position with hydrogen atoms directed to the neighboring carbon atoms, and for H2O in the center position with hydrogen atoms directed to the C-C bonds.

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