Contribution of H2 plasma etching to radial profile of amount of dust particles in a divertor simulator

M. Tateishi, Kazunori Koga, D. Yamashita, Kunihiro Kamataki, Hyunwoong Seo, Naho Itagaki, Masaharu Shiratani, N. Ashikawa, S. Masuzaki, K. Nishimura, A. Sagara

研究成果: ジャーナルへの寄稿Conference article

抄録

We have studied contribution of H2 plasma etching to radial profile of amount of dust particles generated due to interactions between H2 plasmas and graphite target in a divertor simulator. Dust fluxes of spherical particles and flakes are the maximum at the distance r 100 mm and 120 mm from the centre axis of the plasma column, respectively. From ion density and dust flux, we have deduced etched volume of deposited dust particles due to H2 plasma irradiation. Sum of the etched volume and measured volume of spherical dust particles is almost constant for r < 120 mm and decreases with increasing r for r > 120 mm, whereas that of flakes is the maximum at r 120 mm. H2 plasma etching significantly reduces size of dust particles for r smaller than 100 mm.

元の言語英語
記事番号012009
ジャーナルJournal of Physics: Conference Series
518
発行部数1
DOI
出版物ステータス出版済み - 1 1 2014
イベント26th Symposium on Plasma Sciences for Materials, SPSM 2013 - Fukuoka, 日本
継続期間: 9 23 20139 24 2013

Fingerprint

plasma etching
simulators
dust
profiles
flakes
graphite
irradiation
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Contribution of H2 plasma etching to radial profile of amount of dust particles in a divertor simulator. / Tateishi, M.; Koga, Kazunori; Yamashita, D.; Kamataki, Kunihiro; Seo, Hyunwoong; Itagaki, Naho; Shiratani, Masaharu; Ashikawa, N.; Masuzaki, S.; Nishimura, K.; Sagara, A.

:: Journal of Physics: Conference Series, 巻 518, 番号 1, 012009, 01.01.2014.

研究成果: ジャーナルへの寄稿Conference article

@article{1a8b69264ecc4718a7b93e17677b535e,
title = "Contribution of H2 plasma etching to radial profile of amount of dust particles in a divertor simulator",
abstract = "We have studied contribution of H2 plasma etching to radial profile of amount of dust particles generated due to interactions between H2 plasmas and graphite target in a divertor simulator. Dust fluxes of spherical particles and flakes are the maximum at the distance r 100 mm and 120 mm from the centre axis of the plasma column, respectively. From ion density and dust flux, we have deduced etched volume of deposited dust particles due to H2 plasma irradiation. Sum of the etched volume and measured volume of spherical dust particles is almost constant for r < 120 mm and decreases with increasing r for r > 120 mm, whereas that of flakes is the maximum at r 120 mm. H2 plasma etching significantly reduces size of dust particles for r smaller than 100 mm.",
author = "M. Tateishi and Kazunori Koga and D. Yamashita and Kunihiro Kamataki and Hyunwoong Seo and Naho Itagaki and Masaharu Shiratani and N. Ashikawa and S. Masuzaki and K. Nishimura and A. Sagara",
year = "2014",
month = "1",
day = "1",
doi = "10.1088/1742-6596/518/1/012009",
language = "English",
volume = "518",
journal = "Journal of Physics: Conference Series",
issn = "1742-6588",
publisher = "IOP Publishing Ltd.",
number = "1",

}

TY - JOUR

T1 - Contribution of H2 plasma etching to radial profile of amount of dust particles in a divertor simulator

AU - Tateishi, M.

AU - Koga, Kazunori

AU - Yamashita, D.

AU - Kamataki, Kunihiro

AU - Seo, Hyunwoong

AU - Itagaki, Naho

AU - Shiratani, Masaharu

AU - Ashikawa, N.

AU - Masuzaki, S.

AU - Nishimura, K.

AU - Sagara, A.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - We have studied contribution of H2 plasma etching to radial profile of amount of dust particles generated due to interactions between H2 plasmas and graphite target in a divertor simulator. Dust fluxes of spherical particles and flakes are the maximum at the distance r 100 mm and 120 mm from the centre axis of the plasma column, respectively. From ion density and dust flux, we have deduced etched volume of deposited dust particles due to H2 plasma irradiation. Sum of the etched volume and measured volume of spherical dust particles is almost constant for r < 120 mm and decreases with increasing r for r > 120 mm, whereas that of flakes is the maximum at r 120 mm. H2 plasma etching significantly reduces size of dust particles for r smaller than 100 mm.

AB - We have studied contribution of H2 plasma etching to radial profile of amount of dust particles generated due to interactions between H2 plasmas and graphite target in a divertor simulator. Dust fluxes of spherical particles and flakes are the maximum at the distance r 100 mm and 120 mm from the centre axis of the plasma column, respectively. From ion density and dust flux, we have deduced etched volume of deposited dust particles due to H2 plasma irradiation. Sum of the etched volume and measured volume of spherical dust particles is almost constant for r < 120 mm and decreases with increasing r for r > 120 mm, whereas that of flakes is the maximum at r 120 mm. H2 plasma etching significantly reduces size of dust particles for r smaller than 100 mm.

UR - http://www.scopus.com/inward/record.url?scp=84903473796&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84903473796&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/518/1/012009

DO - 10.1088/1742-6596/518/1/012009

M3 - Conference article

AN - SCOPUS:84903473796

VL - 518

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - 1

M1 - 012009

ER -