Polyol Process for Fe-Based Hard(fct-FePt) and Soft(FeCo) Magnetic Nanoparticles

Polyol Process for Fe-Based Hard(fct-FePt) and Soft(FeCo) Magnetic Nanoparticles

The polyol process and the parameters influencing the synthesis of metal and alloy nanoparticle are discussed. Then, the synthesis strategies to obtain hard (Fe-Pt) and soft (Fe-Co) nanoparticles by using polyol process is presented. Under optimum synthesis conditions, partially ordered Fe-Pt nanopa...

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Veröffentlicht in:IEEE transactions on magnetics 2006-10, Vol.42 (10), p.3030-3035
Hauptverfasser: Jeyadevan, B., Shinoda, K., Justin, R.J., Matsumoto, T., Sato, K., Takahashi, H., Sato, Y., Tohji, K.
Format: Artikel
Sprache:eng
Schlagworte:
Co alloys
Coercive force
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
FeCo
FePt
Ferrous alloys
Inorganic materials
Intermetallic compounds
Iron
Iron alloys
Magnetic materials
Magnetic properties
Magnetism
Materials science
Nanoparticles
Optimization
Other topics in materials science
Oxidation
Physics
polyol process
Polyols
Soft magnetic materials
Strategy
Synthesis
Temperature
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Zusammenfassung:The polyol process and the parameters influencing the synthesis of metal and alloy nanoparticle are discussed. Then, the synthesis strategies to obtain hard (Fe-Pt) and soft (Fe-Co) nanoparticles by using polyol process is presented. Under optimum synthesis conditions, partially ordered Fe-Pt nanoparticles with an average grain diameter of 8 nm exhibited a coercivity of 460 kA/m in the as-synthesized state. In the case of Fe-Co alloy particles, synthesis technique to prepare particles with varying Fe concentration in the size ranging between 300 and 50 nm is reported
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2006.880149