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CPP-GMR Performance of Electrochemically Synthesized Co/Cu Multilayered Nanowire Arrays with Extremely Large Aspect Ratio
http://hdl.handle.net/10069/39621
http://hdl.handle.net/10069/396215ab78a91-e47e-471d-a949-1c9f91431841
名前 / ファイル | ライセンス | アクション |
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Nanomaterials10_5.pdf (4.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-01-17 | |||||
タイトル | ||||||
タイトル | CPP-GMR Performance of Electrochemically Synthesized Co/Cu Multilayered Nanowire Arrays with Extremely Large Aspect Ratio | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electrodeposition | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | multilayer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | nanowire | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cobalt | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | copper | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | anodization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | nanochannel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetoresistance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CPP-GMR | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kamimura, Himeyo
× Kamimura, Himeyo× Hayashida, Masamitsu× Ohgai, Takeshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Anodized aluminum oxide (AAO) films, which have numerous nanochannels ca. 75 nm in diameter, D and ca. 70 μm in length, L (ca. 933 in aspect ratio, L/D), were used as a template material for growing Co/Cu multilayered nanowire arrays. The multilayered nanowires with alternating Cu layer and Co layers were synthesized by using an electrochemical pulsed-potential deposition technique. The thickness of the Cu layer was adjusted from ca. 2 to 4 nm while that of the Co layer was regulated from ca. 13 to 51 nm by controlling the pulsed potential parameters. To get a Co/Cu multilayered nanowire in an electrochemical in-situ contact with a sputter-deposited Au thin layer, the pulsed potential deposition was continued up to ca. 5000 cycles until the nanowire reached out toward the surface of AAO template. Current-perpendicular-to-plane giant magnetoresistance (CPP-GMR) effect reached up to ca. 23.5% at room temperature in Co/Cu multilayered nanowires with ca. 3500 Co/Cu bilayers (Cu: 1.4 nm and Co: 18.8 nm). When decreasing the thickness of Co layer, the CPP-GMR value increased due to the Valet?Fert model in the long spin diffusion limit. | |||||
書誌情報 |
Nanomaterials 巻 10, 号 1, p. 5, 発行日 2019-12-18 |
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出版者 | ||||||
出版者 | MDPI | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20794991 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/nano10010005 | |||||
権利 | ||||||
権利情報 | c 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Nanomaterials, 10(1), art.no.5; 2020 |