Synthesis of metastable hard-magnetic ε-Fe2O3 nanoparticles from silica-coated akaganeite nanorods.
Nanoscale
; 9(30): 10579-10584, 2017 Aug 03.
Article
em En
| MEDLINE
| ID: mdl-28715033
ABSTRACT
We present a simple preparation route to obtain a nanoscale metastable hard-magnetic ε-Fe2O3 phase, using silica coated ß-FeOOH nanorods as a precursor and an annealing process. The synthesized ε-Fe2O3 nanoparticles exhibit large coercivity (HC â¼ 20 kOe at 300 K and HC â¼ 1.6 kOe at 400 K), confirming their high potential for practical applications.
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MEDLINE
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En
Ano de publicação:
2017
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Article