Fabrication of FePt and CoPt magnetic nanodot arrays by electrodeposition process

Takayuki Homma, Siggi Wodarz, Daiki Nishiie, Tomohiro Otani, Siyuan Ge, Giovanni Zangari

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

Fabrication of Co-Pt and Fe-Pt ferromagnetic nanodot arrays for the application of ultra-high density bit patterned media (BPM) by electrochemical processes was described. In order to form patterned substrates for nanodot arrays with the density higher than 1 Tbit/inch2, electron beam lithography technique was employed. Nanopatterns with 25 nm and 18 nm pitch, which correspond to 1 and 2 Tbit/inch2 were successfully formed by optimizing the condition of the lithography process, and Co-Pt and Fe-Pt with relatively high coercivity of 4.8 kOe and 10.3 kOe were formed by electrodeposition. By utilizing the nanopatterned substrates, Co-Pt and Fe-Pt nanodot arrays with 25 nm and 35 nm pitch were uniformly formed. These results demonstrate capability of the electrochemical processes for fabricating magnetic nanodot arrays with Tbit-level density.

本文言語English
ホスト出版物のタイトルMagnetic Materials, Processes, and Devices 13
編集者Y. Kitamoto, C. Bonhote, G. Zangari, S. R. Brankovic, H. H. Gatzen, T. Osaka, P. Hesketh
出版社Electrochemical Society Inc.
ページ1-9
ページ数9
31
ISBN(電子版)9781607685395
DOI
出版ステータスPublished - 2014
イベントSymposium on Magnetic Materials, Processes, and Devices 13 - 2014 ECS and SMEQ Joint International Meeting - Cancun, Mexico
継続期間: 2014 10 52014 10 9

出版物シリーズ

名前ECS Transactions
番号31
64
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

Other

OtherSymposium on Magnetic Materials, Processes, and Devices 13 - 2014 ECS and SMEQ Joint International Meeting
CountryMexico
CityCancun
Period14/10/514/10/9

ASJC Scopus subject areas

  • Engineering(all)

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