Electrical characteristics and formation mechanism of atmospheric pressure plasma jet

被引：23

作者：

Liu, Lijuan ^{[1
]}

Zhang, Yu ^{[1
]}

Tian, Weijing ^{[1
]}

Meng, Ying ^{[1
]}

Ouyang, Jiting ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 24期

基金：

美国国家科学基金会;

关键词：

Dielectric devices - Dielectric materials - Plasma sources - Helium - Dielectric barrier discharge - Atmospheric pressure;

D O I：

10.1063/1.4884939

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The behavior of atmospheric pressure plasma jet produced by a coplanar dielectric barrier discharge in helium in external electrostatic and magnetic field is investigated. Net negative charges in the plasma jet outside the tube were detected. The deflection of the plume in the external field was observed. The plasma jet is suggested to be formed by the electron beam from the temporal cathode which is accelerated by a longitudinal field induced by the surface charges on the dielectric tube or interface between the helium and ambient air. The helium flow is necessary for the jet formation in the surrounding air. (C) 2014 AIP Publishing LLC.

引用

页数：4

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