Data for the article "Intermediate-band formation in Tm3+- doped Ca2SnO4: A wide-gap oxide host for visible-light absorption and energy applications"

Data for the article "Intermediate-band formation in Tm3+- doped Ca2SnO4: A wide-gap oxide host for visible-light absorption and energy applications". Data including input, structure, and potential files for calculations performed using the WIEN2k package. The dataset contains files used for structural optimization, electronic structure, magnetic, and optical property simulations of pristine and Tm³⁺-doped Ca₂SnO₄. Detailed descriptions of each file type and calculation step are provided in the README text documents within the corresponding subdirectories.