Preparation of non coagulated FePtCu nanoparticles with high coercivity

H. Kura, Tetsuya Sato

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

FePtCu nanoparticles with various compositions were synthesized by the simultaneous polyol reduction of Pt(acac)2 and Cu(acac)2 and the thermal decomposition of Fe(CO)5. A transformation from fee structure of the as-made samples to fct structure was observed in some samples after annealing at 400°C for 1 hour. The maximum value of stability factor, KuV, of 1.14 × 10-12 erg (Ku: uniaxial anisotropy energy, V: switching volume) was estimated in Fe36Pt 42Cu22 nanoparticles with an average radius of 5.5 nm. This value is comparable to that of the Fe5Pt45 nanoparticles annealed at 550°C for 30 minute. We evaluated the value of Ku of 1.3 × 107 erg/cm3 using the average volume of the nanoparticles.

Original languageEnglish
Title of host publicationPhysica Status Solidi C: Conferences
Pages3499-3502
Number of pages4
Volume1
Edition12
DOIs
Publication statusPublished - 2004

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coercivity
nanoparticles
preparation
thermal decomposition
anisotropy
annealing
radii
energy

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Kura, H., & Sato, T. (2004). Preparation of non coagulated FePtCu nanoparticles with high coercivity. In Physica Status Solidi C: Conferences (12 ed., Vol. 1, pp. 3499-3502) https://doi.org/10.1002/pssc.200405490

Preparation of non coagulated FePtCu nanoparticles with high coercivity. / Kura, H.; Sato, Tetsuya.

Physica Status Solidi C: Conferences. Vol. 1 12. ed. 2004. p. 3499-3502.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kura, H & Sato, T 2004, Preparation of non coagulated FePtCu nanoparticles with high coercivity. in Physica Status Solidi C: Conferences. 12 edn, vol. 1, pp. 3499-3502. https://doi.org/10.1002/pssc.200405490
Kura H, Sato T. Preparation of non coagulated FePtCu nanoparticles with high coercivity. In Physica Status Solidi C: Conferences. 12 ed. Vol. 1. 2004. p. 3499-3502 https://doi.org/10.1002/pssc.200405490
Kura, H. ; Sato, Tetsuya. / Preparation of non coagulated FePtCu nanoparticles with high coercivity. Physica Status Solidi C: Conferences. Vol. 1 12. ed. 2004. pp. 3499-3502
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