Electronic structure of the Mott insulator LaVO3 in a quantum well geometry
Electronic structure of the Mott insulator LaVO3 in a quantum well geometry
We used x-ray photoemission spectroscopy to investigate the electronic structure of the Mott insulator LaVO3 embedded in LaAlO3. By limiting the upper layer of LaAlO3 to 3 unit cells, the underlying LaVO3 could be probed. The V 2p core-level spectra had both V3+ and V4+ components, and above 2 unit …