Daniela Terribile, Marta Boaro, Carla de Leitenburg, Giuliano Dolcetti, Alessandro Trovarelli, Daniela Terribile and Jordi Llorca
High-temperature reduction/oxidation cycles promote the oxygen storage capacity of mesoporous ceria; this is associated with the formation during reduction of a hexagonal CeOx phase which on reoxidation gives amorphous ceria.