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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >THE DRIFT VELOCITY AND LONGITUDINAL DIFFUSION COEFFICIENT OF ELECTRONS IN NITROGEN AND CARBON DIOXIDE FROM 20 TO 1000 TD
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THE DRIFT VELOCITY AND LONGITUDINAL DIFFUSION COEFFICIENT OF ELECTRONS IN NITROGEN AND CARBON DIOXIDE FROM 20 TO 1000 TD

机译:20-1000 TD时电子在氮和二氧化碳中的漂移速度和纵向扩散系数

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摘要

The distribution of arrival time spectra (ATS) of electrons in nitrogen (N-2) and carbon dioxide (CO2) has been measured over the range of E/N from 20 to 1000 Td (1 Td=10(-17) V cm(2)) at room temperature by a double-shutter drift tube. The drift velocity (W-m) of electrons in N-2 and CO2 was evaluated from these distributions by the ATS method. Moreover, the ratio (D-L/mu) of the longitudinal diffusion coefficient (D-L) to the electron mobility (mu) was measured. The values of W-m and D-L/mu in N-2 and CO2 were in good agreement with experimental and theoretical values obtained by previous investigators except for a few of the earlier studies. [References: 16]
机译:在从20到1000 Td(1 Td = 10(-17)V cm)的E / N范围内测量了电子在氮(N-2)和二氧化碳(CO2)中的到达时间谱(ATS)的分布(2))在室温下用双百叶窗漂移管。通过ATS方法从这些分布评估了N-2和CO2中电子的漂移速度(W-m)。此外,测量了纵向扩散系数(D-L)与电子迁移率(μ)的比(D-L /μ)。 N-2和CO2中的W-m和D-L / mu的值与先前研究者获得的实验和理论值非常吻合,除了一些较早的研究。 [参考:16]

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