Journal
SCRIPTA MATERIALIA
Volume 76, Issue -, Pages 65-68Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.12.018
Keywords
Ferromagnetic resonance; Induced uniaxial magnetic anisotropy; Nanocomposite; Fe-Co nanoparticle
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Funding
- Japan Society for the Promotion of Science (JSPS) [21226007]
- Grants-in-Aid for Scientific Research [21226007] Funding Source: KAKEN
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An Fe-Co nanoparticle assembly with uniaxial nanostructure was successfully obtained as a nanocomposite with polystyrene, which was polymerized in a magnetic field, H-fix (50 kOe), from a mixture of the Fe-Co nanoparticles and styrene monomer. The easy axis of magnetization was parallel to H-fix and the uniaxial magnetic anisotropy field of the nanocomposite was estimated to be 2.5 kOe. The ferromagnetic resonance frequency of the nanocomposite reached 6.8 GHz, which was larger than that of the nanocomposite prepared without H-fix. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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