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Pedrosa F.J.♦, Rial J.♦, Golasiński K.M.♦, Rodriguez Osorio M.♦, Salas G.♦, Granados D.♦, Camarero J.♦, Bollero A.♦, Tunable nanocrystalline CoFe2O4 isotropic powders obtained by co-precipitation and ultrafast ball milling for permanent magnet applications,
RSC Advances, ISSN: 2046-2069, Vol.6, pp.87282-87287, 2016 Abstract:
Synthesis of nanocrystalline Co-ferrite powders with tunable magnetic properties is demonstrated by using co-precipitation and a novel ultrafast milling route. Milling times as short as a few minutes are re- ported for the first time to be sufficient to refine microstructure and to induce microstrain, and act efficiently, providing a 5-fold increase in coercivity. This is achieved with no compositional change during processing, but exclusively through microstructural modification. The efficiency of this process and its feasible scalability pave the way for development of Co-ferrite powders for permanent magnet applications. Affiliations:
| Pedrosa F.J. | - | IMDEA Nanoscience (ES) | | Rial J. | - | IMDEA Nanoscience (ES) | | Golasiński K.M. | - | other affiliation | | Rodriguez Osorio M. | - | IMDEA Nanoscience (ES) | | Salas G. | - | Campus Universidad Autònoma de Madrid (ES) | | Granados D. | - | IMDEA Nanoscience (ES) | | Camarero J. | - | IMDEA Nanoscience (ES) | | Bollero A. | - | IMDEA Nanoscience (ES) |
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