Cross sections and transport coefficients for electrons in Zn vapour
White, R.D., McEachran, R.P., Robson, R.E., Elford, M.T., and Bartschat, K. (2004) Cross sections and transport coefficients for electrons in Zn vapour. Journal of Physics D: Applied Physics, 37 (22). pp. 3185-3191.
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Abstract
In this paper we present details of the following:
1. ab initio calculations of a set of electron impact cross sections for atomic Zn; and 2. transport coefficients and distribution functions for an electron swarm in Zn vapour, obtained from a multiterm solution of Boltzmann's equation using these cross sections, over a range of reduced fields, E/N, and gas temperatures of practical interest.
Our work has been motivated, in part, by recent suggestions that zinc could be an attractive replacement for mercury in making high-pressure gas discharge lamps more environment-friendly (Born M 2001 J. Phys. D: Appl. Phys. 34 909; Born M 2002 Plasma Sources Sci. Technol. 11 A55). Current models of such lamps require a knowledge of the plasma electrical conductivity, which can be calculated from the (e, Zn) cross sections and mobility coefficients presented in this paper.
| Item ID: | 4494 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1361-6463 |
| Keywords: | Blotzmann equation; electron swarms; lamps; plasma discharge modelling |
| Date Deposited: | 10 Jun 2009 06:32 |
| FoR Codes: | 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 50% 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020204 Plasma Physics; Fusion Plasmas; Electrical Discharges @ 50% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100% |
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