Application of FePt nanoparticle superlattices to nanomagnetic devices

Toshiharu Teranishi, Masafumi Nakaya, Masayuki Kanehara

Research output: Contribution to conferencePaperpeer-review


Chemically synthesized FePt nanoparticles have many attractive features, such as their ease of synthesis, narrow size distribution, chemical stability, and potential applications in high-density data storage. The novel solveutless synthesis of FePt nanoparticles larger than 5 nm with controlled composition has been developed by using iron acctylacetonate in place of iron pentacarbonyl as an iron precursor, where the conventional solvent was not used at all. The obtained large FePt nanoparticles (6.1 ± 0.6 nm Fe36Pt 54, 5.8 ± 0.7 nm Fe44Pt56, and 5.1. ± 0.7 nm Fe49Pt51 nanoparticles) in 2D assembly were found to be thermally more stable than the small nanoparticles.

Original languageEnglish
Number of pages2
Publication statusPublished - 2005 Dec 1
Event54th SPSJ Symposium on Macromolecules - Yamagata, Japan
Duration: 2005 Sep 202005 Sep 22


Other54th SPSJ Symposium on Macromolecules


  • FePt nanoparticle
  • Magnetic property
  • Solventless synthesis
  • Superlattice
  • Ultra high density magnetic recording

ASJC Scopus subject areas

  • Engineering(all)


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