Fig. 5: The electronic structures of (MV)BiBr5 at selective pressures calculated by using HSE06 functional.

a β phase at 0.1 MPa; b–d γ phase at 0.1 MPa, 0.29 GPa and 3.02 GPa. Note that the PDOS stands for projected density of states. The Fermi level is set to 0 eV.