Fabrication of exchange-coupled α-Fe/L10-FePd nanocomposite isolated particles

Juruchi Kawamura; Kazuhisa Sato; Yoshihiko Hirotsu

doi:10.1063/1.1782963

Fabrication of exchange-coupled α-Fe/L1₀-FePd nanocomposite isolated particles

Juruchi Kawamura, Kazuhisa Sato, Yoshihiko Hirotsu

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The fabrication of exchange-coupled α-Fe/L1₀-FePd nanocomposite particles, by annealing the Fe/Pd nanocomplex particles, was analyzed. It was observed that two regions composed of α-Fe and L1 ₀-FePd coexisted in each nanoparticle separated by a diffusion boundary. It was also observed that there was a gradual increase in the saturation magnetization with increase in the volume ratio of the α-Fe region. The results show that an exchange coupling existed between α-Fe and L1₀-FePd crystallites connected coherently with each other within the nanoparticles.

Original language	English
Pages (from-to)	3906-3911
Number of pages	6
Journal	Journal of Applied Physics
Volume	96
Issue number	7
DOIs	https://doi.org/10.1063/1.1782963
Publication status	Published - 2004 Oct 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The fabrication of exchange-coupled α-Fe/L10-FePd nanocomposite particles, by annealing the Fe/Pd nanocomplex particles, was analyzed. It was observed that two regions composed of α-Fe and L1 0-FePd coexisted in each nanoparticle separated by a diffusion boundary. It was also observed that there was a gradual increase in the saturation magnetization with increase in the volume ratio of the α-Fe region. The results show that an exchange coupling existed between α-Fe and L10-FePd crystallites connected coherently with each other within the nanoparticles.",

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AU - Sato, Kazuhisa

AU - Hirotsu, Yoshihiko

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N2 - The fabrication of exchange-coupled α-Fe/L10-FePd nanocomposite particles, by annealing the Fe/Pd nanocomplex particles, was analyzed. It was observed that two regions composed of α-Fe and L1 0-FePd coexisted in each nanoparticle separated by a diffusion boundary. It was also observed that there was a gradual increase in the saturation magnetization with increase in the volume ratio of the α-Fe region. The results show that an exchange coupling existed between α-Fe and L10-FePd crystallites connected coherently with each other within the nanoparticles.

AB - The fabrication of exchange-coupled α-Fe/L10-FePd nanocomposite particles, by annealing the Fe/Pd nanocomplex particles, was analyzed. It was observed that two regions composed of α-Fe and L1 0-FePd coexisted in each nanoparticle separated by a diffusion boundary. It was also observed that there was a gradual increase in the saturation magnetization with increase in the volume ratio of the α-Fe region. The results show that an exchange coupling existed between α-Fe and L10-FePd crystallites connected coherently with each other within the nanoparticles.

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