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Electron Temperature Dependence of the Dissociative Recombination Coefficient of Molecular Argon Ions Ar+2 with Electrons

✍ Scribed by P. Lukáč; O. Mikuš; I. Morva; Z. Zábudlá; J. Trnovec; M. Morvová

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
236 KB
Volume
51
Category
Article
ISSN
0005-8025

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✦ Synopsis

Stationary afterglow plasma, microwave diagnostics of plasma, electron heating with microwaves, dissociative recombination, electron temperature dependence of recombination, molecular argon ions.

A dual mode (T M 010 cylindrical cavity/cylindrical waveguide) microwave apparatus is used to study the ion mobility and dissociative recombination of molecular argon ions with electrons in the afterglow period of a d.c. glow discharge as a function of electron temperature when electrons were heated by microwaves up to Te ≤ 10300 K, with T+ = Tgas = 300 K. The electron temperature dependence of the total rate coefficient of dissociative recombination may be represented by α(Ar + 2 ) = (8.1 ± 0.5) x 10 -7 [300/Te(in K)] 0.64 cm 3 s -1 which is in very good agreement with most previous experimental results but not with the recent theoretical calculations.

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