Maki Yonetsu
Toshiba
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Publication
Featured researches published by Maki Yonetsu.
Journal of Applied Physics | 2014
Tomoko Eguchi; Naoyuki Nakagawa; Maki Yonetsu; Keiko Okamoto; Tomohiro Suetsuna; Seiichi Suenaga
(FeCo)-(SiO2) nanogranular films in which magnetic metal particles form nanosized columns, nanocolumnar, were studied. The nanostructure was formed by controlling the composition ratio of magnetic metal and insulating oxide. Inducing uniaxial anisotropy in the film plane resulted in high permeability in the GHz band and a high ferromagnetic resonance frequency. To improve the permeability loss factor, crystallinity of FeCo was controlled by adding B and Nb. As a result, an amorphous nanocolumnar film with ferromagnetic resonance frequency of greater than 5 GHz, high relative permeability of 44.9, and low loss factors of less than 1% up to 1 GHz was achieved.
Archive | 2000
Maki Yonetsu; Masahiro Takashita; Hiroyasu Sumino
Archive | 2003
Yoshihiko Nakano; Wu Mei; Maki Yonetsu; Shinichi Onodera; Seiichi Suenaga; Hideyuki Ohzu
Archive | 2000
Masatoshi Sakurai; Katsuyuki Naito; Akihiro Horiguchi; Hiroyasu Sumino; Maki Yonetsu
Archive | 2000
Satoshi Mikoshiba; Hiroyasu Sumino; Maki Yonetsu; Shuji Hayase
Archive | 2002
Seiichi Suenaga; Maki Yonetsu; Norihiro Tomimatsu; Hideyuki Ohzu; Yasuhiro Goto; Yoshihiko Nakano
Archive | 2009
Seiichi Suenaga; Maki Yonetsu; Norihiro Tomimatsu; Hideyuki Oozu; Yasuhiro Goto; Yoshihiko Nakano; Shinichi Onodera
Archive | 2007
Kouichi Harada; Tomohiro Suetsuna; Seiichi Suenaga; Maki Yonetsu
Archive | 2009
Tomohiro Suetsuna; Kouichi Harada; Maki Yonetsu; Seiichi Suenaga
Archive | 2005
Wu Mei; Yoshihiro Akasaka; Maki Yonetsu; Yoshihiko Nakano; Hideyuki Ohzu
