Evidence of progressive Fe<sup>2+</sup> to Fe<sup>3+</sup>oxidation in Fe<sup>2+</sup>-doped ZnO nanoparticles
F.F.H. Aragón, L. Villegas‐Lelovsky, J. G. Parizaka, E. G. Zela, R. Bendezu, R. O. Gallegos, D. G. Pacheco‐Salazar, S.W. da Silva, Renato Cohen, L.C.C.M. Nagamine, J. A. H. Coaquira, P.C. Morais
Abstract
When Fe-ions enter into the ZnO NPs, their oxidation state can be tuned and the excitonic peak enlarges, indicating that the ZnO lattice becomes more disordered. The AFM interactions found in paramagnetic NPs become stronger as Fe content increases.
Topics & Concepts
DopingNanoparticleParamagnetismIonMaterials scienceOxidation stateLattice (music)CrystallographyAnalytical Chemistry (journal)RadiochemistryChemistryCondensed matter physicsNanotechnologyPhysicsOptoelectronicsMetalMetallurgyChromatographyOrganic chemistryAcousticsZnO doping and propertiesCopper-based nanomaterials and applicationsQuantum Dots Synthesis And Properties