Electroplated Fe-Ni Films Prepared From Deep Eutectic Solvents

Fe-Ni alloy films were prepared by electroplating in a plating bath containing a choline chloride and ethylene glycol-based deep eutectic solvent (DES). The Fe content of the electroplated films was found to vary from 0 at.% to 100 at.% and was dependent on the amount of Fe reagent in the plating ba...

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Published inIEEE transactions on magnetics Vol. 50; no. 11; pp. 1 - 4
Main Authors Yanai, Takeshi, Shiraishi, Kotaro, Watanabe, Yoshimasa, Nakano, Masaki, Ohgai, Takeshi, Suzuki, Kiyonori, Fukunaga, Hirotoshi
Format Journal Article
LanguageEnglish
Published New York IEEE 01.11.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Iron
Magnetic hysteresis
Magnetism
Magnetostriction
Plating
Protective coatings
Saturation magnetization
Soft magnetic materials
Solvents
soft magnetic films
electroplating
permalloy
Deep eutectic solvent (DES)
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Summary:Fe-Ni alloy films were prepared by electroplating in a plating bath containing a choline chloride and ethylene glycol-based deep eutectic solvent (DES). The Fe content of the electroplated films was found to vary from 0 at.% to 100 at.% and was dependent on the amount of Fe reagent in the plating bath. The composition of the electroplated films could be controlled easily by changing the composition of the bath. We observed bcc or fcc Fe-Ni crystalline phase in the electroplated films by X-ray diffraction and confirmed that magnetically soft Fe-Ni alloy films could be obtained from the DES-based bath. The current efficiency for the plating process was as high as >88% over a wide range of the Fe reagent concentrations. Therefore, we conclude that the DES is an attractive solvent for preparing the Fe-Ni alloy films.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2014.2323572