Magnetic induction and plasma impedance in a cylindrical inductive discharge

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Published under licence by IOP Publishing Ltd
, , Citation J T Gudmundsson and M A Lieberman 1997 Plasma Sources Sci. Technol. 6 540 DOI 10.1088/0963-0252/6/4/012

0963-0252/6/4/540

Abstract

An inductive radio frequency discharge in the cylindrical configuration is modelled as a transformer with the inductive coil taken as the primary circuit and the plasma as the secondary circuit. The mutual inductance between the primary and secondary circuit, the self-inductance of the plasma and the impedance of the plasma are determined theoretically and related to the properties of the plasma evaluated using a global (volume-averaged) discharge model for argon plasma. The azimuthal electric field and the axial magnetic field profile within an inductive discharge in the cylindrical configuration are determined assuming a parabolic electron density profile.

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10.1088/0963-0252/6/4/012