Observation of sheath phenomena in multicomponent plasma with negative ions

被引：15

作者：

Sarma, BK ^{[1
]}

Sarma, A ^{[1
]}

Bailung, H ^{[1
]}

Chutia, J ^{[1
]}

机构：

[1] Inst Adv Study Sci & Technol, Guwahatti 781022, Assam, India

来源：

PHYSICS LETTERS A | 1998年 / 244卷 / 1-3期

关键词：

sheath phenomena; multicomponent plasma; low frequency instability;

D O I：

10.1016/S0375-9601(98)00259-X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Some properties of the steady state ion rich sheath and the sheath induced instability in a multicomponent plasma with negative ions are experimentally studied in a double plasma device. With increasing negative ion concentration the thickness of the sheath around the negatively biased separator grid increases. The sheath structure follows the modified Child law. The frequency of the sheath induced instability decreases when the negative ion concentration is increased. (C) 1998 Elsevier Science B.V.

引用

页码：127 / 132

页数：6

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