Intrinsic origin of the two-dimensional electron gas at polar oxide interfaces

M. L. Reinle-Schmitt, C. Cancellieri, D. Li +8

The predictions of the polar catastrophe scenario to explain the occurrence of a metallic interface in heterostructures of the solid solution(LaAlO${}_3$)${}_x$(SrTiO${}_3$)${}_{1-x}$ (L…