A. Ceria 2 A. Diluted magnetic oxides 2 Ce 4f state 2 Cerium 2 Cerium compounds 2 Cerium oxides 2 Charge localization 2 Co-doped 2 Cobalt 2 Cobalt atoms 2 D. Charge localization 2 Density functional theory 2 Density functional theory calculations 2 Deoxygenations 2 Diluted magnetic oxide 2 Electronic correlation 2 Excess electrons 2 Impurities 2 Magnetic impurity 2 Oxygen 2 Oxygen vacancies 2 Oxygenation 2 Relative stabilities 2 Vacancy sites 2