Properties of electron swarms in CF3I

被引：15

作者：

Hasegawa, H. ^{[2
]}

Date, H. ^{[1
]}

Shimozuma, M. ^{[3
]}

Itoh, H. ^{[4
]}

机构：

[1] Hokkaido Univ, Fac Hlth Sci, Sapporo, Hokkaido 0600812, Japan

[2] Tomakomai Natl Coll Technol, Tomakomai 0591275, Japan

[3] Hokkaido Inst Technol, Sapporo, Hokkaido 0068585, Japan

[4] Muroran Inst Technol, Muroran, Hokkaido 0508585, Japan

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 10期

关键词：

electric fields; electron attachment; ionisation; organic compounds; Townsend discharge; ATTACHMENT COEFFICIENTS; IONIZATION; CF4; DIFFUSION; MIXTURES; NITROGEN; GASES; C2F6; C3F8;

D O I：

10.1063/1.3224197

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the electron swarm parameters, the drift velocity, and the ionization coefficients in CF3I gas for relatively wide ranges of reduced electric fields (E/N). The drift velocity is measured based on the arrival-time spectra of electrons for E/N=200-3000 Td, and the first and second ionization coefficients are determined by the steady-state Townsend method for E/N=400-5000 Td. The results are compared with those of CF4 to show that CF3I has a high reactivity for electron attachment in a low E/N region resulting in a much higher limiting E/N value (440 Td) than that of CF4.

引用

页数：3

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