Fig. 2From: Band Gap Characters and Ferromagnetic/Antiferromagnetic Coupling in Group-IV Monolayers Tuned by Chemical Species and Hydrogen Adsorption ConfigurationsSchematics of the boat (a), chair (b), and zigzag (c) configurations of one-side semihydrogenation. Hydrogen atoms are on top of the 2D plane and represented by the blue spheres. Unit cell of each structure is marked by the black box Back to article page