Variations of plasma parameters and sheath thickness due to the extraction of ion and electron flux in a double plasma device

被引：3
|
作者：
Mishra, M. K. [1 ]
Phukan, A. [1 ]
Chakraborty, M. [1 ]
机构：
[1] Ctr Plasma Phys, Kamrup 782402, Assam, India
来源：
CONTRIBUTIONS TO PLASMA PHYSICS | 2007年 / 47卷 / 10期
关键词：
double plasma device; ion flux; electron flux; electron-neutral collision; sheath;
D O I：
10.1002/ctpp.200710080
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Influence of charged particle extraction on plasma parameters and on ion sheath has been investigated in a double plasma device. When ions are extracted from the plasma, the plasma density as well as the positive ion flux into the sheath increases. As a result a sheath contraction takes place. Again, in case of electron extraction, it is found that the plasma density as well as the positive ion flux into the sheath decreases. As a result a sheath expansion takes place. Furthermore, it is observed that the floating potential of a plate can be controlled by extracting charged particles from the plasma. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：703 / 709
页数：7
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