Effect of Ga composition on soft and high-frequency magnetic properties of Fe85.1−xGaxB14.9 thin films

The effects of Ga composition (x) on soft and high-frequency magnetic properties of 10-nm-thick B-doped Fe–Ga (Fe85.1−xGaxB14.9) thin films were investigated. A uniaxial magnetic anisotropy appeared regardless of the Ga composition. The damping constant values and magnetic inhomogeneous broadening a...

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Bibliographic Details
Published in:AIP advances 2021-02, Vol.11 (2), p.025114-025114-5
Main Authors: Muramatsu, Shogo, Miyazaki, Takamichi, Endo, Yasushi
Format: Article
Language:English
Subjects:
Composition effects
Damping
Magnetic anisotropy
Magnetic properties
Magnetism
Magnetostriction
Thin films
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Summary:The effects of Ga composition (x) on soft and high-frequency magnetic properties of 10-nm-thick B-doped Fe–Ga (Fe85.1−xGaxB14.9) thin films were investigated. A uniaxial magnetic anisotropy appeared regardless of the Ga composition. The damping constant values and magnetic inhomogeneous broadening at a zero frequency were much lower than those of the Fe–Ga polycrystalline film for all Ga compositions. These results indicate that adding B atoms to Fe–Ga thin films improves the soft and high-frequency magnetic properties of these films and suggest that Fe–Ga–B thin films are candidate magnetostrictive materials for high-frequency devices.
ISSN:2158-3226
2158-3226
DOI:10.1063/9.0000065