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タイトル: Carbon Erosion and Dust Formation under Heavy Atomic Hydrogen Irradiation
著者: Takeguchi, Yuji
Kyo, Masaaki
Uesugi, Yoshihiko link image link image
Tanaka, Yasunori link image link image
Masuzaki, Suguru link image
竹口, 雄治
上杉, 喜彦
田中, 康規
増崎, 貴
発行日: 2008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: 3
号: 0
開始ページ: 025
キーワード: plasma-surface interaction
dust formation
atomic hydrogen plasma
carbon material
抄録: Experiments on erosion and dust formation on graphite materials have been performed using high power induction plasmas containing high atomic hydrogen flux (∼1024 m-2 s-1 ). Chemical sputtering by atomic hydrogen irradiation with an incident energy below 1 eV eroded the graphite targets significantly, and the sputtering yield was roughly estimated to be 0.002-0.005, which is as high as that obtained by ion beam experiments. The transport of the released hydrocarbon along the gas flow results in carbon dust formation on the eroded graphite target and also on the silicon and graphite targets located at the remote position. The dust structure strongly depends on the target surface temperature, and the graphite dust turns into diamond crystals when the surface temperature rises to 1100 K.
DOI: 10.1585/pfr.3.025
URI: http://hdl.handle.net/2297/28455
関連URI: http://wwwsoc.nii.ac.jp/gsj3/index.html
資料種別: Journal Article
権利関係: Copyright (c) 2009 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/2297/28455



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