Effect of induced uniaxial magnetic anisotropy on ferromagnetic resonance frequency of Fe–Co alloy nanoparticle/polystyrene nanocomposite
An Fe–Co nanoparticle assembly with uniaxial nanostructure was successfully obtained as a nanocomposite with polystyrene, which was polymerized in a magnetic field, Hfix (50kOe), from a mixture of the Fe–Co nanoparticles and styrene monomer. The easy axis of magnetization was parallel to Hfix and th...
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| Veröffentlicht in: | Scripta materialia 2014-04, Vol.76, p.65-68 |
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| creator | Kura, Hiroaki Hata, Kotaro Oikawa, Tadaaki Takahashi, Migaku Ogawa, Tomoyuki |
| description | An Fe–Co nanoparticle assembly with uniaxial nanostructure was successfully obtained as a nanocomposite with polystyrene, which was polymerized in a magnetic field, Hfix (50kOe), from a mixture of the Fe–Co nanoparticles and styrene monomer. The easy axis of magnetization was parallel to Hfix and the uniaxial magnetic anisotropy field of the nanocomposite was estimated to be 2.5kOe. The ferromagnetic resonance frequency of the nanocomposite reached 6.8GHz, which was larger than that of the nanocomposite prepared without Hfix. |
| doi_str_mv | 10.1016/j.scriptamat.2013.12.018 |
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| subjects | Assembly Ferromagnetic resonance Fe–Co nanoparticle Induced uniaxial magnetic anisotropy Intermetallic compounds Magnetic anisotropy Magnetic fields Nanocomposite Nanocomposites Nanoparticles Nanostructure Polystyrene resins |
| title | Effect of induced uniaxial magnetic anisotropy on ferromagnetic resonance frequency of Fe–Co alloy nanoparticle/polystyrene nanocomposite |
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