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Preparation of superparamagnetic magnetite nanoparticles by reverse precipitation method: Contribution of sonochemically generated oxidants.
http://hdl.handle.net/10069/20929
http://hdl.handle.net/10069/20929d899740e-197a-4d15-9f48-7312e29c5170
名前 / ファイル | ライセンス | アクション |
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UltSon16_525.pdf (887.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-02-25 | |||||
タイトル | ||||||
タイトル | Preparation of superparamagnetic magnetite nanoparticles by reverse precipitation method: Contribution of sonochemically generated oxidants. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Magnetic nanoparticle | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Magnetite | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sonochemical oxidation | |||||
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 |
Mizukoshi, Yoshiteru
× Mizukoshi, Yoshiteru× Shuto, Tatsuya× Masahashi, Naoya× Tanabe, Shuji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Magnetic iron oxide nanoparticles were successfully prepared by a novel reverse precipitation method with the irradiation of ultrasound. TEM, XRD and SQUID analyses showed that the formed particles were magnetite (Fe(3)O(4)) with about 10nm in their diameter. The magnetite nanoparticles exhibited superparamagnetism above 200K, and the saturation magnetization was 32.8emu/g at 300K. The sizes and size distributions could be controlled by the feeding conditions of FeSO(4).7H(2)O aqueous solution, and slower feeding rate and lower concentration lead to smaller and more uniform magnetite nanoparticles. The mechanisms of sonochemical oxidation were also discussed. The analyses of sonochemically produced oxidants in the presence of various gases suggested that besides sonochemically formed hydrogen peroxide, nitrite and nitrate ions contributed to Fe(II) ion oxidation. | |||||
書誌情報 |
Ultrasonics sonochemistry 巻 16, 号 4, p. 525-531, 発行日 2009-04 |
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出版者 | ||||||
出版者 | Elsevier | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13504177 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11024447 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | 19200771 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.ultsonch.2008.12.017 | |||||
権利 | ||||||
権利情報 | Copyright c 2009 Elsevier B.V. All rights reserved. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Ultrasonics Sonochemistry, 16(4), pp.525-531; 2009 |