Fig. 5: The band structure calculation for orthorhombic MnSe.

a The crystal structure of orthorhombic MnSe. Purple, blue, and green spheres represent Mn, Mn, and Se atoms, respectively. b The band structure of orthorhombic MnSe with a = 5.280 Å, b = 2.999 Å, and c = 5.472 Å.