Fig. 4: Spin-up and spin-down band profiles of Ca2SnFeO6 and Ba2SnFeO6 with GGA and GGA+U in face centered cubic lattice structure.
Fig. 5 (a, b): Graphical representation of total density of states (TDOS) (a) Ca2SnFeO6 and (b) Ba2SnFeO6 within the combination schemes of GGA and GGA+U.
Fig. 5 (c, d) : Illustration of half-metallic total density of states (TDOS) in GGA and GGA+U functional schemes of Ca2SnFeO6 and Ba2SnFeO6 respectively.