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The metal atoms vacuum-evaporated onto the {100}HODC formed nanopartides themselves when heated at high temperatures; e.g. 700 degrees C, in a flowing gas mixture of H(2) (10%) + N(2) (90%). At 800 degrees C. short nano-channels and etch pits holding metal nanoparticles were formed by Fe. Co. and Ni. The shapes of the Co and Ni nanoparticles in the etch pits were affected by the shape of the etch pits; reversed pyramidal shape. On the other hand, the top view of the Fe nanoparticles embedded in the etch pits showed a distorted round shape, probably due to the formation of something such as iron carbide, while the carbon content was unknown. Apparently, etching of the {100}HODC by Pt nanoparticles was observed after the treatment at 1000 degrees C. 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Catalytic etching of {100}-oriented diamond coating with Fe, Co, Ni, and Pt nanoparticles under hydrogen
http://hdl.handle.net/10091/16201
http://hdl.handle.net/10091/1620139d92088-d88f-41f1-9368-2375f419ae5f
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 | 2013-01-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Catalytic etching of {100}-oriented diamond coating with Fe, Co, Ni, and Pt nanoparticles under hydrogen | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Oriented diamond coating | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Gasification | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Etching | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Etch pit | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nano-channel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Metal particle | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Ohashi, Tatsuya
× Ohashi, Tatsuya× Sugimoto, Wataru× Takasu, Yoshio |
|||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Sugimoto, Wataru | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.WaTFjekV.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Takasu, Yoshio | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.gpDmPUDm.html | |||||
出版者 | ||||||
出版者 | ELSEVIER SCIENCE SA | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | DIAMOND AND RELATED MATERIALS | |||||
書誌情報 |
DIAMOND AND RELATED MATERIALS 巻 20, 号 8, p. 1165-1170, 発行日 2011-08 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Etching of a highly {100}-oriented diamond coating, {100}HODC, with hydrogen gas using Fe, Co, Ni, and Pt nanoparticles as a catalyst was examined at high temperatures over 700 degrees C by high-resolution scanning electron microscopy and Raman spectroscopy. The metal atoms vacuum-evaporated onto the {100}HODC formed nanopartides themselves when heated at high temperatures; e.g. 700 degrees C, in a flowing gas mixture of H(2) (10%) + N(2) (90%). At 800 degrees C. short nano-channels and etch pits holding metal nanoparticles were formed by Fe. Co. and Ni. The shapes of the Co and Ni nanoparticles in the etch pits were affected by the shape of the etch pits; reversed pyramidal shape. On the other hand, the top view of the Fe nanoparticles embedded in the etch pits showed a distorted round shape, probably due to the formation of something such as iron carbide, while the carbon content was unknown. Apparently, etching of the {100}HODC by Pt nanoparticles was observed after the treatment at 1000 degrees C. The difference in the catalytic etching behavior among these metal particles, the potential etching mechanism of diamonds with hydrogen by metal nanoparticles, probably as melted metal nanoparticles, and the formation mechanism of vacant etch pits were discussed. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0925-9635 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10819710 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.diamond.2011.06.029 | |||||
関連名称 | 10.1016/j.diamond.2011.06.029 | |||||
権利 | ||||||
権利情報 | Copyright© 2011 Elsevier B.V. All rights reserved. | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000295300800013 |