Evolution of discharge structure in capacitive radio-frequency atmospheric microplasmas

被引：126

作者：

Shi, JJ ^{[1
]}

Kong, MG ^{[1
]}

机构：

[1] Loughborough Univ Technol, Dept Elect & Elect Engn, Loughborough LE11 3TU, Leics, England

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.96.105009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Conventional radio-frequency (rf) nonthermal atmospheric plasmas are generated in a millimeter gap. In this Letter, we present a self-consistent numerical study of rf atmospheric microplasmas in a submillimeter gap comparable to their sheath thickness. It is shown that the narrow electrode gap deforms the discharge structure, ultimately removing the bulk-plasma region and disabling electron trapping. Significantly, these properties permit rf atmospheric microplasmas to operate at very high current densities thus simultaneously achieving higher stability and greater chemical reactivity.

引用

页数：4

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