Fig. 4

The electronic band structures of (a–c) Mg₂TeS and (d–f) Mg₂TeSe computed using the WC-GGA, SOC + TB-mBJ, and TB-mBJ functionals, respectively, along the high-symmetry path (Γ-T-H-L-Γ-S-F-Γ). The Fermi level is set at 0 eV.