Influence of discharge conditions on energetic hydrogen atoms in a glow discharge

被引：8

作者：

Cvetanovic, N. ^{[1
]}

Obradovic, B. M. ^{[2
]}

Kuraica, M. M. ^{[2
]}

机构：

[1] Univ Belgrade, Fac Transport & Traff Engn, Belgrade 11000, Serbia

[2] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia

来源：

JOURNAL OF APPLIED PHYSICS | 2011年 / 110卷 / 07期

关键词：

H-ALPHA LINE; CROSS-SECTIONS; LOW-PRESSURE; SHAPES; H-2; REFLECTION; EXCITATION; DENSITIES; EMISSION; PLASMA;

D O I：

10.1063/1.3646499

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Influence of discharge conditions on fast hydrogen atoms in glow discharge is investigated using Balmer alpha emission spectroscopy. Investigation was performed in two orthogonal directions of observation in pure hydrogen. The shapes of the profiles are examined together with the space intensity distribution of the excessively broadened Balmer alpha line. It was found that line profile, space intensity distribution, and energy distribution of exited atoms strongly depend on voltage, pressure, and the reduced electric field. This confirms that fast H atoms are generated in charge exchange processes and neutralization of ions at cathode surface and not in a non-field process. (C) 2011 American Institute of Physics. [doi:10.1063/1.3646499]

引用

页数：10

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