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Variation of Magnetization Dynamics of Co/Ni Multilayer by Capturing Magnetic Nanoparticles
http://hdl.handle.net/2237/00029273
http://hdl.handle.net/2237/000292732a9c483d-fd88-4046-8034-b9a16f490d90
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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.× Kato, T.× Okamoto, S.× Kikuchi, N.× Oshima, D.× Iwata, S.× Kitakami, O. |
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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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著者版フラグ | ||||||
値 | author |