Two-dimensional electron systems in perovskite oxide heterostructures: Role of the polarity-induced substitutional defects

Shih-Chieh Lin, Cheng-Tai Kuo, Yu-Cheng Shao +17

The discovery of a two-dimensional electron system (2DES) at the interfaces of perovskite oxides such as LaAlO3 and SrTiO3 has motivated enormous efforts in engineering interfacial…