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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Variation of Magnetization Dynamics of Co/Ni Multilayer by Capturing Magnetic Nanoparticles

http://hdl.handle.net/2237/00029273
http://hdl.handle.net/2237/00029273
2a9c483d-fd88-4046-8034-b9a16f490d90
名前 / ファイル ライセンス アクション
Otaki_CoNi_final.pdf Otaki_CoNi_final (349.0 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-02-12
タイトル
タイトル Variation of Magnetization Dynamics of Co/Ni Multilayer by Capturing Magnetic Nanoparticles
言語 en
著者 Otaki, Y.

× Otaki, Y.

WEKO 88757

en Otaki, Y.

Search repository
Kato, T.

× Kato, T.

WEKO 88758

en Kato, T.

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Okamoto, S.

× Okamoto, S.

WEKO 88759

en Okamoto, S.

Search repository
Kikuchi, N.

× Kikuchi, N.

WEKO 88760

en Kikuchi, N.

Search repository
Oshima, D.

× Oshima, D.

WEKO 88761

en Oshima, D.

Search repository
Iwata, S.

× Iwata, S.

WEKO 88762

en Iwata, S.

Search repository
Kitakami, O.

× Kitakami, O.

WEKO 88763

en Kitakami, O.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 “© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”
キーワード
主題Scheme Other
主題 Gilbert damping
キーワード
主題Scheme Other
主題 Anisotropy field
キーワード
主題Scheme Other
主題 Ferromagnetic resonance
キーワード
主題Scheme Other
主題 Co/Ni multilayers
キーワード
主題Scheme Other
主題 Fe3O4 nanoparticles
抄録
内容記述 [Co (0.29 nm)/Ni (0.71 nm)]10 multilayers were deposited on Ta (30nm) and Pt (30nm) buffer layers, and the variation of the magnetization dynamics by the adsorption of Fe3O4 nanoparticles was studied by vector network analyzer-ferromagnetic resonance method. The surface roughness of the Co/Ni multilayer was 0.52 nm, and significantly increased after the adsorption of the Fe3O4 nanoparticles which was captured by large field gradient on the demagnetized Co/Ni multilayer. The anisotropy field Hk, damping constant α, and anisotropy distribution AHk of the Co/Ni on Ta buffer layer were 2.6 kOe, 0.012, and 0.32 kOe, respectively. By adsorbing of the Fe3O4 nanoparticles, the stray field from the nanoparticles Hnp was applied to the Co/Ni, and Hk + Hnp was estimated to increase to 3.7 kOe. Moreover, α and AHk also increased to 0.020 and 0.42 kOe by the adsorption, respectively. Similarly, Hk + Hnp , α, AHk of Pt buffered Co/Ni also increased from 2.4 kOe, 0.033, 0.43 kOe to 4.2 kOe, 0.055, 0.53 kOe, respectively. These results suggest that the adsorption of Fe3O4 nanoparticles significantly modifies the magnetization dynamics of Co/Ni multilayer.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IEEE
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1109/TMAG.2018.2832660
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0018-9464
ISSN(Online)
収録物識別子タイプ EISSN
収録物識別子 1941-0069
書誌情報 en : IEEE Transactions on Magnetics

巻 54, 号 11, p. 6100804, 発行日 2018-11
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