Exploring structural, electronic, magnetic, and optical properties of CeO₂-X (X = Pt/Ni) doped and Pt-Ni co-doped CeO₂ for optoelectronic applications

M. Junaid Iqbal Khan^*, Hafiza Saima Batool, Juan Liu, Perveen Akhtar, Abid Latif, Javed Ahmad, Imran Taj, Sana Khalid, Urva Gull, M. Waseem Akhtar, Hadeeqa Tehreem, Hamid Ullah, Muhammad Usmani