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Issue 90, 2016, Issue in Progress
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Tunable nanocrystalline CoFe2O4 isotropic powders obtained by co-precipitation and ultrafast ball milling for permanent magnet applications

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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 reported 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.

Graphical abstract: Tunable nanocrystalline CoFe2O4 isotropic powders obtained by co-precipitation and ultrafast ball milling for permanent magnet applications

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Article information


Submitted
16 Jun 2016
Accepted
23 Aug 2016
First published
24 Aug 2016

RSC Adv., 2016,6, 87282-87287
Article type
Communication
Author version available

Tunable nanocrystalline CoFe2O4 isotropic powders obtained by co-precipitation and ultrafast ball milling for permanent magnet applications

F. J. Pedrosa, J. Rial, K. M. Golasinski, M. Rodríguez-Osorio, G. Salas, D. Granados, J. Camarero and A. Bollero, RSC Adv., 2016, 6, 87282
DOI: 10.1039/C6RA15698C

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