| Item type |
デフォルトアイテムタイプ_（フル）(1) |
| 公開日 |
2023-03-18 |
| タイトル |
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|
タイトル |
Emission spectroscopy of a microhollow cathode discharge plasma in helium-water gas mixtures |
|
言語 |
en |
| 作成者 |
Namba, Shinichi
Yamasaki, T.
Hane, Y.
Fukuhara, Daisuke
Kozue, Kazuki
Takiyama, Ken
|
| アクセス権 |
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|
アクセス権 |
open access |
|
アクセス権URI |
http://purl.org/coar/access_right/c_abf2 |
| 権利情報 |
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|
権利情報 |
(c) 2011 American Institute of Physics |
| 主題 |
|
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主題Scheme |
NDC |
|
主題 |
420 |
| 内容記述 |
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|
内容記述 |
A dc microhollow cathode discharge (MHCD) plasma was generated inflowing helium gas containing water vapor. The cathode hole diameters were 0.3, 0.7, 1.0, and 2.0 mm, each with a length of 2.0 mm. Emission spectroscopy was carried out to investigate the discharge mode and to determine the plasma parameters. For the 0.3-mm cathode, stable MHCDs in an abnormal glow mode existed at pressures up to 100 kPa, whereas for larger diameters, a plasma was not generated at atmospheric pressure. An analysis of the lineshapes relevant to He at 667.8 nm and to Hα at 656.3 nm implied an electron density and gas temperature of 2 × 1014 cm-3 and 1100 K, respectively, for a 100-kPa discharge in the negative glow region. The dependence of the OH band, and Hα intensities on the discharge current exhibited different behaviors. Specifically, the OH spectrum had a maximum intensity at a certain current, while the H atom intensity kept increasing with the discharge current. This observation implies that a high concentration of OH radicals results in quenching, leading to the production of H atoms via the reaction OH + e- → O + H + e-. |
|
言語 |
en |
| 出版者 |
|
|
出版者 |
American Institute of Physics |
| 言語 |
|
|
言語 |
eng |
| 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 |
| 出版タイプ |
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|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| 関連情報 |
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|
識別子タイプ |
DOI |
|
|
関連識別子 |
10.1063/1.3646551 |
| 関連情報 |
|
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|
識別子タイプ |
DOI |
|
|
関連識別子 |
http://dx.doi.org/10.1063/1.3646551 |
| 収録物識別子 |
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|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
0021-8979 |
| 収録物識別子 |
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|
収録物識別子タイプ |
NCID |
|
収録物識別子 |
AA00693547 |
| 開始ページ |
|
|
開始ページ |
073307-1 |
| 書誌情報 |
Journal of Applied Physics
Journal of Applied Physics
巻 110,
号 7,
p. 073307-1-073307-5,
発行日 2011
|
| 旧ID |
33878 |
JApplPhys_110_073307.pdf (1.3 MB)
