Synthesis of metastable hard-magnetic epsilon-Fe2O3 nanoparticles from silica-coated akaganeite nanorods
We present a simple preparation route to obtain a nanoscale meta-stable hard-magnetic epsilon-Fe2O3 phase, using silica coated beta-FeOOH nanorods as a precursor and an annealing process. The synthesized epsilon-Fe2O3 nanoparticles exhibit large coercivity (H-C similar to 20 kOe at 300 K and H-C similar to 1.6 kOe at 400 K), confirming their high potential for practical applications.
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Tadic, M., Milosevic, I., Kralj, S., Mitric, M., Makovec, D., Saboungi, M.-L., & Motte, L. (2017). Synthesis of metastable hard-magnetic epsilon-Fe2O3 nanoparticles from silica-coated akaganeite nanorods. Nanoscale, 9(30), 10579–10584. https://doi.org/10.1039/c7nr03639f
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WOS:000406847800003
2017
9
30
10579
10584
REVIEWED
EPFL