Magnetic properties of Fe-Ni-system films prepared by electroless deposition | Zendy

T. Yanai | Zendy; Ryoma Tanaka | Zendy; Ryoya Ueno | Zendy; Kafu Mieda | Zendy; J. Kaji | Zendy; Takao Morimura | Zendy; Akihiro Yamashita | Zendy; Masaki Nakano | Zendy; H. Fukunaga | Zendy

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Magnetic properties of Fe-Ni-system films prepared by electroless deposition

Author(s) -

T. Yanai,

Ryoma Tanaka,

Ryoya Ueno,

Kafu Mieda,

J. Kaji,

Takao Morimura,

Akihiro Yamashita,

Masaki Nakano,

H. Fukunaga

Publication year - 2020

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5130446

Subject(s) - dimethylamine , coercivity , deposition (geology) , materials science , borane , amorphous solid , electroless deposition , chemical engineering , thin film , phase (matter) , magnetic hysteresis , nanotechnology , metallurgy , crystallography , chemistry , magnetization , catalysis , magnetic field , organic chemistry , condensed matter physics , paleontology , physics , copper , engineering , biology , quantum mechanics , sediment

We prepared Fe-Ni thick-films (u003e 1 μm) using an electroless deposition method and evaluated the magnetic properties and the crystal structures. The deposition rate depended on the concentration of dimethylamine-borane (DMAB), which is a reducing agent used in the present study, and we obtained a high deposition rate (u003e 10 μm/h) for Fe30Ni70 films when the DMAB concentration is higher than 3 g/L. From structural analyses of the films, we found that the films have very fine fcc Fe-Ni crystals in the amorphous magnetic phase. From the investigation of Co additives for the improvement in the surface conditions, we confirmed that a small amount of Co effectively works to obtain the smooth surfaces. As a result, we could obtain the Fe-Ni-system thick-films with low coercivity (50 A/m) and smooth surfaces.We prepared Fe-Ni thick-films (u003e 1 μm) using an electroless deposition method and evaluated the magnetic properties and the crystal structures. The deposition rate depended on the concentration of dimethylamine-borane (DMAB), which is a reducing agent used in the present study, and we obtained a high deposition rate (u003e 10 μm/h) for Fe30Ni70 films when the DMAB concentration is higher than 3 g/L. From structural analyses of the films, we found that the films have very fine fcc Fe-Ni crystals in the amorphous magnetic phase. From the investigation of Co additives for the improvement in the surface conditions, we confirmed that a small amount of Co effectively works to obtain the smooth surfaces. As a result, we could obtain the Fe-Ni-system thick-films with low coercivity (50 A/m) and smooth surfaces.

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