Interface properties and built-in potential profile of a LaCrO${}_3$/SrTiO${}_3$ superlattice determined by standing-wave excited photoemission spectroscopy

Shih-Chieh Lin, Cheng-Tai Kuo, Ryan B. Comes +14

LaCrO${}_3$ (LCO) / SrTiO${}_3$ (STO) heterojunctions are intriguing due to a polar discontinuity along (001), two distinct and controllable interface structures [(LaO)${}^{+}$/(TiO${}_2$)$^…