Figure 1

(a) Experimental rocking curves (round markers) for all relevant core levels with best theoretical fits. The different rocking curves are normalized to the average intensity over the angular range of interest and offset for clarity. The experimental curves for Ni $3p$ and C $1s$ are multiplied by the values indicated for a better agreement of theory and experiment. (b) Intensity map of the valence band region for different incidence angles with the color scale corresponding to the photoemission yield. Two characteristic maxima split by 1.4° are marked by black and white arrows, respectively. (c) Total valence band (black curve) of the $\mathrm{STO}/\mathrm{LNO}$ multilayer with deconvoluted components showing the characteristic angular behavior of LNO (blue curve), STO (red curve), and C (brown curve). (d) Valence bands of a STO single crystal (red curve) and 24 nm LNO on STO (blue curve). Characteristic features are labeled by lowercase Latin letters for LNO, Greek letters for STO, and uppercase Latin letters for C.Reuse & Permissions

Figure 2

Angular behavior of the spectral region near the Fermi level (red markers), the La $4d$ core-level characteristics for the LNO layer, and a simulated rocking curve for the inner two unit cells of the LNO layer (solid line).Reuse & Permissions