Structural, morphological, and magnetic characterizations of (Fe0.25Mn0.75)2O3 nanocrystals: a comprehensive stoichiometric determination - Mantilla, John C.; Nagamine, Luiz Carlos Camargo Miranda; Cornejo, Daniel Reinaldo; Cohen, Renato; Oliveira, Wesley de; Souza, Paulo E N; Silva, Sebastião W da; Herrera Aragón, Fermin Fidel; Gastelois, P. L.; Morais, Paulo C; Coaquira, José Antonio Huamani (Materials Chemistry and Physics, 2024)