Polyol process for Fe-based hard(fct-FePt) and soft(FeCo) magnetic nanoparticles

B. Jeyadevan, K. Shinoda, R. J. Justin, T. Matsumoto, K. Sato, H. Takahashi, Y. Sato, K. Tohji

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)3030-3035
Number of pages6
JournalIEEE Transactions on Magnetics
Issue number10
Publication statusPublished - 2006 Oct


  • Co alloys
  • FeCo
  • FePt
  • Polyol process
  • Soft magnetic materials


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