Nitrogen introduced iron film with low coercive force prepared by ion plating

To produce an iron film with excellent magnetic properties, an RF ion-plating technique was used. Ion-plated iron films produced without introducing gas, have a high saturation magnetization(B s =2.2 T). The effects of introducing gases during iron deposition were also studied. Using a N 2 -Ar-He mi...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1987-09, Vol.23 (5), p.2973-2975
Main Authors: Kawarada, M., Koshino, N., Ogawa, S.
Format: Article
Language:English
Subjects:
Coercive force
Coils
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Iron
Magnetic films
Magnetic properties
Magnetic properties and materials
Nitrogen
Physics
Substrates
Temperature dependence
X-ray diffraction
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Summary:To produce an iron film with excellent magnetic properties, an RF ion-plating technique was used. Ion-plated iron films produced without introducing gas, have a high saturation magnetization(B s =2.2 T). The effects of introducing gases during iron deposition were also studied. Using a N 2 -Ar-He mixture gas, an iron film with low coercive force(H c =1 Oe) was obtained. Although, an iron nitride structure was not observed in this film, 3 at% of nitrogen has been detected in the sample. It is evident that a small amount of nitrogen reduces the coercive force of iron films.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1987.1065438