Microwave resonances in nanogranular (Fe0.7Co 0.3)71B22Ni7 films

Massimo Pasquale; Sergio Perero; Giorgio Bertotti; Pavel Kabos; Sang Ho Lim

doi:10.1109/TMAG.2006.880097

Microwave resonances in nanogranular (Fe_0.7Co _0.3)₇₁B₂₂Ni₇ films

Massimo Pasquale, Sergio Perero, Giorgio Bertotti, Pavel Kabos, Sang Ho Lim

Department of Materials Science and Engineering

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

4 Citations (Scopus)

Abstract

We have analyzed the microwave behavior of soft nanogranular (Fe _0.7Co_0.3)₇₁B₂₂ Ni₇ films which present a dc permeability from 60 to 280, a resistivity of 8 to 9 10 ^-7 Ω m and a zero-field double ferromagnetic resonance peak at frequencies ranging from 3.8 to 8.35 GHz. The high frequency and large line-width of the observed resonances allows for possible applications in microwave absorbers in a frequency range extending from 6 to 10 GHz.

Original language	English
Pages (from-to)	3054-3056
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	42
Issue number	10
DOIs	https://doi.org/10.1109/TMAG.2006.880097
Publication status	Published - 2006 Oct

Keywords

Anisotropy
FeCo films
Ferromagnetic resonance
Magnetic thin films
Microwave properties
Nanogranular films

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/TMAG.2006.880097

Cite this

@article{5796e0cd05454cc19c91979942e2da30,

title = "Microwave resonances in nanogranular (Fe0.7Co 0.3)71B22Ni7 films",

abstract = "We have analyzed the microwave behavior of soft nanogranular (Fe 0.7Co0.3)71B22 Ni7 films which present a dc permeability from 60 to 280, a resistivity of 8 to 9 10 -7 Ω m and a zero-field double ferromagnetic resonance peak at frequencies ranging from 3.8 to 8.35 GHz. The high frequency and large line-width of the observed resonances allows for possible applications in microwave absorbers in a frequency range extending from 6 to 10 GHz.",

keywords = "Anisotropy, FeCo films, Ferromagnetic resonance, Magnetic thin films, Microwave properties, Nanogranular films",

author = "Massimo Pasquale and Sergio Perero and Giorgio Bertotti and Pavel Kabos and Lim, {Sang Ho}",

note = "Funding Information: This work was supported in part by the bilateral scientific cooperation program “Nanogranular magnetic films and devices for GHz frequency applications,” funded by the Italian Ministry of Foreign Affairs and the Korean Ministry of Research.",

year = "2006",

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pages = "3054--3056",

journal = "IEEE Transactions on Magnetics",

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T1 - Microwave resonances in nanogranular (Fe0.7Co 0.3)71B22Ni7 films

AU - Pasquale, Massimo

AU - Perero, Sergio

AU - Bertotti, Giorgio

AU - Kabos, Pavel

AU - Lim, Sang Ho

N1 - Funding Information: This work was supported in part by the bilateral scientific cooperation program “Nanogranular magnetic films and devices for GHz frequency applications,” funded by the Italian Ministry of Foreign Affairs and the Korean Ministry of Research.

PY - 2006/10

Y1 - 2006/10

N2 - We have analyzed the microwave behavior of soft nanogranular (Fe 0.7Co0.3)71B22 Ni7 films which present a dc permeability from 60 to 280, a resistivity of 8 to 9 10 -7 Ω m and a zero-field double ferromagnetic resonance peak at frequencies ranging from 3.8 to 8.35 GHz. The high frequency and large line-width of the observed resonances allows for possible applications in microwave absorbers in a frequency range extending from 6 to 10 GHz.

AB - We have analyzed the microwave behavior of soft nanogranular (Fe 0.7Co0.3)71B22 Ni7 films which present a dc permeability from 60 to 280, a resistivity of 8 to 9 10 -7 Ω m and a zero-field double ferromagnetic resonance peak at frequencies ranging from 3.8 to 8.35 GHz. The high frequency and large line-width of the observed resonances allows for possible applications in microwave absorbers in a frequency range extending from 6 to 10 GHz.

KW - Anisotropy

KW - FeCo films

KW - Ferromagnetic resonance

KW - Magnetic thin films

KW - Microwave properties

KW - Nanogranular films

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