DFT + U study of chromium-doped europium oxide: insights into half-metallic behavior and stability Khadidja Mokaddem, Djillali Bensaid, Bendouma Doumi, Allel Mokaddem and Kaddour Bencherif Eur. Phys. J. B, 98 1 (2025) 6 Published online: 15 January 2025 DOI: 10.1140/epjb/s10051-024-00850-w