Magnetic properties and microwave characteristics of Ni-Zn-Cu ferrite film fabricated by aerosol deposition method

T. Kagotani; R. Kobayashi; S. Sugimoto; K. Inomata; K. Okayama; J. Akedo

doi:10.1016/j.jmmm.2004.11.543

Magnetic properties and microwave characteristics of Ni-Zn-Cu ferrite film fabricated by aerosol deposition method

T. Kagotani, R. Kobayashi, S. Sugimoto, K. Inomata, K. Okayama, J. Akedo

工学研究科・知能デバイス材料学専攻

研究成果: Article › 査読

37 被引用数 (Scopus)

抄録

Microwave radiation in the GHz is increasingly being used in telecommunication and data processing. However, this has given rise to electromagnetic wave interference (EMI). Ni-Zn-Cu ferrite film was prepared by aerosol deposition method (ADM) depending on its capability as an absorber or a conducted noise suppressor in the quasi-microwave frequency range. The ADM is a kind of high-speed coating method. The film thickness of 7 μm was obtained by the deposition for 4 min and the rate was estimated at 2.8 μm/min. The saturation magnetization of the film was 6.33×10^-5 Wb m/kg and the coercivity was 0.94 kA/m. This value was nearly equal to that of sintered sample. The maximum complex permeabilities μ′ and μ″ were 200 and 70. The resonance frequency fr=200MHz was over Snoek's limit.

本文言語	English
ページ（範囲）	1442-1445
ページ数	4
ジャーナル	Journal of Magnetism and Magnetic Materials
巻	290-291 PART 2
DOI	https://doi.org/10.1016/j.jmmm.2004.11.543
出版ステータス	Published - 2005 4

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2004.11.543

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引用スタイル

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title = "Magnetic properties and microwave characteristics of Ni-Zn-Cu ferrite film fabricated by aerosol deposition method",

abstract = "Microwave radiation in the GHz is increasingly being used in telecommunication and data processing. However, this has given rise to electromagnetic wave interference (EMI). Ni-Zn-Cu ferrite film was prepared by aerosol deposition method (ADM) depending on its capability as an absorber or a conducted noise suppressor in the quasi-microwave frequency range. The ADM is a kind of high-speed coating method. The film thickness of 7 μm was obtained by the deposition for 4 min and the rate was estimated at 2.8 μm/min. The saturation magnetization of the film was 6.33×10-5 Wb m/kg and the coercivity was 0.94 kA/m. This value was nearly equal to that of sintered sample. The maximum complex permeabilities μ′ and μ″ were 200 and 70. The resonance frequency fr=200MHz was over Snoek's limit.",

keywords = "ADM, EMC, Microwave absorption, Spinel ferrite",

author = "T. Kagotani and R. Kobayashi and S. Sugimoto and K. Inomata and K. Okayama and J. Akedo",

note = "Funding Information: This work was supported in part by NEDO Project of Nano Structure Forming for Ceramics Integration Project in Nano Technology Program in Japan and a Grant-in-Aid for Scientific Research (No.1536078 and No. 16656213) from the Ministry of Education, Science, Sports and Culture of Japan. ",

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AU - Kagotani, T.

AU - Kobayashi, R.

AU - Sugimoto, S.

AU - Inomata, K.

AU - Okayama, K.

AU - Akedo, J.

N1 - Funding Information: This work was supported in part by NEDO Project of Nano Structure Forming for Ceramics Integration Project in Nano Technology Program in Japan and a Grant-in-Aid for Scientific Research (No.1536078 and No. 16656213) from the Ministry of Education, Science, Sports and Culture of Japan.

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N2 - Microwave radiation in the GHz is increasingly being used in telecommunication and data processing. However, this has given rise to electromagnetic wave interference (EMI). Ni-Zn-Cu ferrite film was prepared by aerosol deposition method (ADM) depending on its capability as an absorber or a conducted noise suppressor in the quasi-microwave frequency range. The ADM is a kind of high-speed coating method. The film thickness of 7 μm was obtained by the deposition for 4 min and the rate was estimated at 2.8 μm/min. The saturation magnetization of the film was 6.33×10-5 Wb m/kg and the coercivity was 0.94 kA/m. This value was nearly equal to that of sintered sample. The maximum complex permeabilities μ′ and μ″ were 200 and 70. The resonance frequency fr=200MHz was over Snoek's limit.

AB - Microwave radiation in the GHz is increasingly being used in telecommunication and data processing. However, this has given rise to electromagnetic wave interference (EMI). Ni-Zn-Cu ferrite film was prepared by aerosol deposition method (ADM) depending on its capability as an absorber or a conducted noise suppressor in the quasi-microwave frequency range. The ADM is a kind of high-speed coating method. The film thickness of 7 μm was obtained by the deposition for 4 min and the rate was estimated at 2.8 μm/min. The saturation magnetization of the film was 6.33×10-5 Wb m/kg and the coercivity was 0.94 kA/m. This value was nearly equal to that of sintered sample. The maximum complex permeabilities μ′ and μ″ were 200 and 70. The resonance frequency fr=200MHz was over Snoek's limit.

KW - ADM

KW - EMC

KW - Microwave absorption

KW - Spinel ferrite

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