Influence of thin porous Al2O3 layer on aluminum cathode to the Hα line shape in glow discharge

被引：4

作者：

Steflekova, V. ^{[1
]}

Sisovic, N. M. ^{[1
]}

Konjevic, N. ^{[1
]}

机构：

[1] Univ Belgrade, Fac Phys, Belgrade, Serbia

来源：

JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 11期

基金：

芬兰科学院;

关键词：

FAST HYDROGEN-ATOMS; LOW-PRESSURE; ELECTRON-IMPACT; CROSS-SECTIONS; BALMER; MICROWAVE; EMISSION; H-2; EXCITATION; CATALYSTS;

D O I：

10.1063/1.3143016

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The results of the Balmer alfa line shape study in a plane cathode-hollow anode Grimm discharge with aluminum (Al) cathode covered with thin layer of porous Al2O3 are presented. The comparison with same line profile recorded with pure Al cathode shows lack of excessive Doppler broadened line wings, which are always detected in glow discharge with metal cathode. The effect is explained by the lack of strong electric field in the cathode sheath region, which is missing in the presence of thin oxide layer in, so called, spray discharge. (c) 2009 American Institute of Physics. [DOI: 10.1063/1.3143016]

引用

页数：3

共 22 条

[1] Doppler spectroscopy of hydrogen and deuterium Balmer alpha line in an abnormal glow discharge [J].