Microwave absorption properties of polymer composites with amorphous Fe-B and Ni-Zn-Co ferrite nanoparticles

Kazuaki Shimba; Shozo Yuki; Nobuki Tezuka; Satoshi Sugimoto

doi:10.3938/jkps.62.2123

Microwave absorption properties of polymer composites with amorphous Fe-B and Ni-Zn-Co ferrite nanoparticles

Kazuaki Shimba, Shozo Yuki, Nobuki Tezuka, Satoshi Sugimoto

ENG - Materials Science

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Nowadays, many communication devices use GHz-range microwaves, which cause serious issues, such as electromagnetic interference. For the prevention of these problems, microwave absorbers consisting of polymer composites with magnetic particles have received attention. With the current trend being to miniaturize devices, thin microwave absorber are now required. This paper reports that polymer composites with amorphous Fe-B submicrometer particles and Ni-Zn-Co ferrite nanoparticles showed a permeability of μ_r′ = 8.0-9.0 at 1.0 GHz and a resonant frequency of f _r = 1.8-2.4 GHz. They also exhibited good microwave absorption properties at 0.7-1.4 GHz for thicknesses of 2.5-3.9 mm.

Original language	English
Pages (from-to)	2123-2127
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	62
Issue number	12
DOIs	https://doi.org/10.3938/jkps.62.2123
Publication status	Published - 2013 Jul 1

Keywords

Amorphous material
Magnetic nanoparticles
Microwave absorber
Relative permeability

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.3938/jkps.62.2123

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title = "Microwave absorption properties of polymer composites with amorphous Fe-B and Ni-Zn-Co ferrite nanoparticles",

abstract = "Nowadays, many communication devices use GHz-range microwaves, which cause serious issues, such as electromagnetic interference. For the prevention of these problems, microwave absorbers consisting of polymer composites with magnetic particles have received attention. With the current trend being to miniaturize devices, thin microwave absorber are now required. This paper reports that polymer composites with amorphous Fe-B submicrometer particles and Ni-Zn-Co ferrite nanoparticles showed a permeability of μr′ = 8.0-9.0 at 1.0 GHz and a resonant frequency of f r = 1.8-2.4 GHz. They also exhibited good microwave absorption properties at 0.7-1.4 GHz for thicknesses of 2.5-3.9 mm.",

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author = "Kazuaki Shimba and Shozo Yuki and Nobuki Tezuka and Satoshi Sugimoto",

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TY - JOUR

T1 - Microwave absorption properties of polymer composites with amorphous Fe-B and Ni-Zn-Co ferrite nanoparticles

AU - Shimba, Kazuaki

AU - Yuki, Shozo

AU - Tezuka, Nobuki

AU - Sugimoto, Satoshi

PY - 2013/7/1

Y1 - 2013/7/1

N2 - Nowadays, many communication devices use GHz-range microwaves, which cause serious issues, such as electromagnetic interference. For the prevention of these problems, microwave absorbers consisting of polymer composites with magnetic particles have received attention. With the current trend being to miniaturize devices, thin microwave absorber are now required. This paper reports that polymer composites with amorphous Fe-B submicrometer particles and Ni-Zn-Co ferrite nanoparticles showed a permeability of μr′ = 8.0-9.0 at 1.0 GHz and a resonant frequency of f r = 1.8-2.4 GHz. They also exhibited good microwave absorption properties at 0.7-1.4 GHz for thicknesses of 2.5-3.9 mm.

AB - Nowadays, many communication devices use GHz-range microwaves, which cause serious issues, such as electromagnetic interference. For the prevention of these problems, microwave absorbers consisting of polymer composites with magnetic particles have received attention. With the current trend being to miniaturize devices, thin microwave absorber are now required. This paper reports that polymer composites with amorphous Fe-B submicrometer particles and Ni-Zn-Co ferrite nanoparticles showed a permeability of μr′ = 8.0-9.0 at 1.0 GHz and a resonant frequency of f r = 1.8-2.4 GHz. They also exhibited good microwave absorption properties at 0.7-1.4 GHz for thicknesses of 2.5-3.9 mm.

KW - Amorphous material

KW - Magnetic nanoparticles

KW - Microwave absorber

KW - Relative permeability

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