Evolution of a dust void in a radio-frequency plasma sheath

被引：57

作者：

Dahiya, RP

Paeva, GV

Stoffels, WW

Stoffels, E

Kroesen, GMW

Avinash, K

Bhattacharjee, A

机构：

[1] Eindhoven Univ Technol, Dept Phys, NL-5600 MB Eindhoven, Netherlands

[2] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

[3] Indian Inst Technol, New Delhi, India

[4] Inst Plasma Res, Bhat, Gandhi Nagar, India

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.89.125001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The onset and growth of a dust void are investigated in a radio-frequency (rf) sheath of a capacitively coupled argon plasma. A circularly symmetric void emerges and grows with increasing rf power and pressure in the central region of the dust cloud levitating in the sheath. Experimental measurements of the void diameter are compared with the predictions of a simple phenomenological theory, based on a balance of forces on dust grains.

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页码：125001 / 125001

页数：4

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