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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Band Gap Characters and Ferromagnetic/Antiferromagnetic Coupling in Group-IV Monolayers Tuned by Chemical Species and Hydrogen Adsorption Configurations

Fig. 1

a Top view of the hexagonal structure of monolayer silicene (X = Y = Si), germanene (X = Y = Ge), silicon germanide (X = Si, Y = Ge), silicon carbide (X = Si, Y = C), and germanium carbide (X = Ge, Y = C). Monolayer SiC and GeC prefer a planar structure (b), while silicene, germanene, and monolayer SiGe prefer a low-buckled structure (c)

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