Permeability of submicron and nanometer ferromagnetic particle composites

Y. Shimada; M. Yamaguchi; G. W. Qin; S. Okamoto; O. Kitakami

doi:10.1063/1.2712019

Permeability of submicron and nanometer ferromagnetic particle composites

Y. Shimada, M. Yamaguchi, G. W. Qin, S. Okamoto, O. Kitakami

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

14 Citations (Scopus)

Abstract

Ferromagnetic particle composites which include submicron and nanometer particles with large size difference exhibit higher permeability than the assembly of the pure composite constituent. The particles are redistributed in a magnetic field to reduce the demagnetizing field in the process of composite formation by heating. In this report composites of Fe and Permalloy particles were studied. Permeability is appreciably enhanced for the composites in spite of very low permeability for Permalloy particles. Further improvement is expected by developing fabrication process of particles with higher dispersion and higher saturation magnetization.

Original language	English
Article number	09M505
Journal	Journal of Applied Physics
Volume	101
Issue number	9
DOIs	https://doi.org/10.1063/1.2712019
Publication status	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.2712019

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title = "Permeability of submicron and nanometer ferromagnetic particle composites",

abstract = "Ferromagnetic particle composites which include submicron and nanometer particles with large size difference exhibit higher permeability than the assembly of the pure composite constituent. The particles are redistributed in a magnetic field to reduce the demagnetizing field in the process of composite formation by heating. In this report composites of Fe and Permalloy particles were studied. Permeability is appreciably enhanced for the composites in spite of very low permeability for Permalloy particles. Further improvement is expected by developing fabrication process of particles with higher dispersion and higher saturation magnetization.",

author = "Y. Shimada and M. Yamaguchi and Qin, {G. W.} and S. Okamoto and O. Kitakami",

note = "Funding Information: This work was supported in part by the Stragetic Information and Communications R&D Promotion Programme, Ministry of Internal Affairs and Communications, Japan",

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AU - Shimada, Y.

AU - Yamaguchi, M.

AU - Qin, G. W.

AU - Okamoto, S.

AU - Kitakami, O.

N1 - Funding Information: This work was supported in part by the Stragetic Information and Communications R&D Promotion Programme, Ministry of Internal Affairs and Communications, Japan

PY - 2007

Y1 - 2007

N2 - Ferromagnetic particle composites which include submicron and nanometer particles with large size difference exhibit higher permeability than the assembly of the pure composite constituent. The particles are redistributed in a magnetic field to reduce the demagnetizing field in the process of composite formation by heating. In this report composites of Fe and Permalloy particles were studied. Permeability is appreciably enhanced for the composites in spite of very low permeability for Permalloy particles. Further improvement is expected by developing fabrication process of particles with higher dispersion and higher saturation magnetization.

AB - Ferromagnetic particle composites which include submicron and nanometer particles with large size difference exhibit higher permeability than the assembly of the pure composite constituent. The particles are redistributed in a magnetic field to reduce the demagnetizing field in the process of composite formation by heating. In this report composites of Fe and Permalloy particles were studied. Permeability is appreciably enhanced for the composites in spite of very low permeability for Permalloy particles. Further improvement is expected by developing fabrication process of particles with higher dispersion and higher saturation magnetization.

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Permeability of submicron and nanometer ferromagnetic particle composites

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