Floating potential and sheath thickness for cylindrical and spherical probes in electronegative plasmas

被引：0

作者：

Crespo, R. Morales ^{[1
]}

Palop, J.I. Fernández ^{[1
]}

Hernández, M.A. ^{[1
]}

Del Pino, S. Borrego ^{[1
]}

Díaz-Cabrera, J.M. ^{[1
]}

Ballesteros, J. ^{[1
]}

机构：

[1] Departamento de Física, Universidad de Córdoba, Campus de Rabanales, Edif, C-2, 14071 Cordoba, Spain

来源：

Journal of Applied Physics | 2006年 / 99卷 / 05期

关键词：

In this paper; the floating potential; for cylindrical and spherical Langmuir probes immersed into an electronegative plasma; is determined by using a radial model described in a previous paper. This floating potential is determined for several probe radius values and ranks of plasma electronegativity; from almost electropositive plasmas to high electronegative plasmas. The thickness of the positive ion sheath is also determined for this kind of probes in electronegative plasmas; as well as the analytical expressions fitting this thickness; showing its dependence on the probe radius and electric potential. © 2006 American Institute of Physics;

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摘要：

Journal article (JA)

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