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タイトル: Suppression of Carbon Dust Formation by Nitrogen Injection into Hydrogen Plasmas in Detached Plasma Conditions
著者: Kyo, Masaaki
Takeguchi, Yuji
Uesugi, Yoshihiko link image link image
Tanaka, Yasunori link image link image
Masuzaki, Suguru
竹口, 雄治
上杉, 喜彦
田中, 康規
増崎, 貴
発行日: 2010年
出版社(者): プラズマ・核融合学会 = The Japan Society of Plasma Science and Nuclear Fusion Research
雑誌名: Plasma and Fusion Research
ISSN: 1880-6821
巻: 5
号: 0
開始ページ: 004
キーワード: carbon dust formation
plasma-surface interaction
chemical sputtering
graphite material
抄録: Chemical erosion of carbon materials and dust formation in low-temperature and neutral particle-dominated plasmas were investigated using high-pressure inductively coupled plasmas. Experiments were performed with Ar/H2/N2 mixture plasma irradiation to graphite targets. The addition of just a few percent of nitrogen gas to hydrogen led to significant suppression of carbon dust formation on the graphite target. From optical emission spectroscopy, CN band spectra were observed strongly in Ar/H2/N2 plasmas with a decrease of CH and C2 band emission intensity. These results showed that CN bond formation, which caused chemical erosion of carbon by producing volatile CN, HCN, and C2N2 particles, might have been a key suppression mechanism of the carbon particle aggregation.
DOI: 10.1585/pfr.5.004
URI: http://hdl.handle.net/2297/28453
関連URI: http://wwwsoc.nii.ac.jp/gsj3/index.html
資料種別: Journal Article
権利関係: Copyright (c) 2010 by The Japan Society of Plasma Science and Nuclear Fusion Research
版表示: publisher

このアイテムを引用あるいはリンクする場合は次の識別子を使用してください。 http://hdl.handle.net/2297/28453



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