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Magnetoresistance of Drop-Cast Film of Cobalt-Substituted Magnetite Nanocrystals
http://hdl.handle.net/10228/00006230
http://hdl.handle.net/10228/00006230d4141939-a1b6-4970-9bb3-7242d486f924
名前 / ファイル | ライセンス | アクション |
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acsami6_20_17410.pdf (841.8 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||
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公開日 | 2017-06-02 | |||||
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 | |||||
タイトル | ||||||
タイトル | Magnetoresistance of Drop-Cast Film of Cobalt-Substituted Magnetite Nanocrystals | |||||
言語 | ||||||
言語 | eng | |||||
著者 |
古曵, 重美
× 古曵, 重美× Nara, Koichiro× Mitome, Masanori× Tsuya, Daiju |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An oleic acid-coated Fe2.7Co0.3O4 nanocrystal (NC) self-assembled film was fabricated via drop casting of colloidal particles onto a three-terminal electrode/MgO substrate. The film exhibited a large coercivity (1620 Oe) and bifurcation of the zero-field-cooled and field-cooled magnetizations at 300 K. At 10 K, the film exhibited both a Coulomb blockade due to single electron charging as well as a magnetoresistance of ∼−80% due to spin-dependent electron tunneling. At 300 K, the film also showed a magnetoresistance of ∼−80% due to hopping of spin-polarized electrons. Enhanced magnetic coupling between adjacent NCs and the large coercivity resulted in a large spin-polarized current flow even at 300 K. | |||||
書誌情報 |
ACS Applied Materials & Interfaces 巻 6, 号 20, p. 17410-17415, 発行日 2014-09-26 |
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出版社 | ||||||
出版者 | American Chemical Society | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1021/am500713k | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1944-8244 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1944-8252 | |||||
著作権関連情報 | ||||||
権利情報 | American Chemical Society | |||||
著作権関連情報 | ||||||
権利情報 | This document is the unedited author's version of a Submitted Work that was subsequently accepted for publication in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review. To access the final edited and published work, see http://pubs.acs.org/doi/abs/10.1021/am500713k. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cobalt-substituted magnetite nanocrystal | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | coercivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Coulomb blockade | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | spin-polarized current | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tunnel magnetoresistance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
査読の有無 | ||||||
値 | yes | |||||
研究者情報 | ||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/102_ja.html | ||||||
論文ID(連携) | ||||||
10267471 | ||||||
連携ID | ||||||
5975 | ||||||
情報源 | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://pubs.acs.org/doi/abs/10.1021/am500713k | |||||
関連名称 | http://pubs.acs.org/doi/abs/10.1021/am500713k |