Correlated electrons extend X-ray high-harmonic generation beyond the single-electron limit

This dataset contains the source data underlying Figures 1–5 of the manuscript entitled "Correlated electrons extend X-ray high-harmonic generationbeyond the single-electron limit". DOI: 10.1038/s41566-026-01976-2 The dataset includes MATLAB (.mat) and Excel (.xlsx) files for image and surface-map figures and Excel (.xlsx) files containing plotted curves, spectra, and error-bar data. A README file describing the contents of the dataset is included.