Electrical and optical properties of AC microdischarges in porous ceramics

被引：97

作者：

Hensel, Karol ^{[1
]}

Martisovit, Viktor

Machala, Zdenko

Janda, Mario

Lestinsky, Michal

Tardiveau, Pierre

Mizuno, Akira

机构：

[1] Comenius Univ, Fac Math Phys & Informat, Dept Astron Earth Phys & Meteorol, Bratislava 84248, Slovakia

[2] Univ Paris 11, Phys Gaz & Plasmas Lab, F-91400 Orsay, France

[3] Toyohashi Univ Technol, Dept Ecol Engn, Toyohashi, Aichi 441858, Japan

来源：

PLASMA PROCESSES AND POLYMERS | 2007年 / 4卷 / 7-8期

关键词：

D O I：

10.1002/ppap.200700022

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Generation of microdischarges inside porous ceramics by AC high voltage was explored. The physical properties of the microdischarges were investigated by electrical measurements, photographic visualization, and optical emission spectroscopy. The effects of pore size, discharge power, and gas mixture composition on the discharge properties and its development are described. The optimum generation and distribution of the microdischarges was observed with pore sizes of 50 and 80 mu m. The emission spectra of the microdischarges indicated their strongly non-equilibrium character. A theoretical analysis of the microdischarge mechanism is provided, accounting for the pore size and the elementary processes such as ionization, recombination, and ambipolar diffusion.

引用

页码：682 / 693

页数：12

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