Depth-Resolved Composition and Electronic Structure of Buried Layers and Interfaces in a LaNiO${}_3$/SrTiO${}_3$ Superlattice from Soft- and Hard- X-ray Standing-Wave Angle-Resolved Photoemission

D. Eiteneer, G. K. Pálsson, S. Nemšák +21

LaNiO${}_3$ (LNO) is an intriguing member of the rare-earth nickelates in exhibiting a metal-insulator transition for a critical film thickness of about 4 unit cells [Son et al., App…