Semiconductor insulator boundaries 10 Metal insulator boundaries 6 Metal insulator transition 6 Impurity bands 4 Magnetic fields 4 Magnetic properties 4 Metal-insulator transition 4 Spin relaxation 4 Spin-orbit couplings 4 Ab initio method 2 Barium 2 Binding sites 2 Boundaries 2 Calcium 2 Density functional theory 2 Density of state 2 Doped carriers 2 Double perovskites 2 Draping 2 Dynamical mean-field theory 2 Eigenstates 2 Electron mobility 2 Electronic and magnetic properties 2 Electronic properties 2 Energy eigenstates 2 Experimental values 2 External magnetic fields 2 Fermi surface 2 Fermions 2 Finite size 2