Oxide interfaces Aluminum compounds 1 Bi-layer 1 Charge transfer 1 Critical thickness 1 Density functional theory 1 Density-functional theory calculations 1 Electric potential 1 Electronic reconstruction 1 Epitaxial heterostructure 1 Finite number 1 Graphene likes 1 Hubbard 1 Interface conductivity 1 Ion layers 1 Lanthanum compounds 1 Metal capping 1 Metallic ions 1 Orbital polarizations 1 Overlayers 1 Perovskite 1 Perovskite oxides 1 Platinum 1 Polar oxides 1 Unit cells 1 [111] heterostructures 1