Figure 2.

Calculated band structure (left) and the total and partial DOS (right) of monolayer SnS₂ (a) and SnSe₂ (b). The inset map in (b) is the detailed total and partial DOS of SnSe₂ near the VBM with the small region of −1.0 to −0.4 eV, as marked in the red dashed rectangle.