Dataset: Corroborating the magnetic easy axis of epitaxial (100) α-iron and (0001) BaFe12O19 thin films by 57Fe Mössbauer spectroscopy

Dataset associated with https://doi.org/10.1063/5.0244334. This dataset supports the structural and magnetic characterization of epitaxial thin films used in the study of magnetic anisotropy and crystallographic orientation. It includes experimental data collected from 60 nm and 120 nm thick epitaxial films of isotopically enriched body-centered cubic α-⁵⁷Fe grown on (100) MgO substrates, as well as from an epitaxial (0001) BaFe₁₂O₁₉ film grown on a Sr₁.₀₃Ga₁₀.₈₁Mg₀.₅₈Zr₀.₅₈O₁₉ single crystal substrate. The dataset comprises XRD, RHEED, and CEMS measurements. The dataset provides raw and processed spectra, diffraction patterns, and supporting metadata, enabling further analysis and reproducibility.