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Sheath Resistance Measurements in the GEC Reference Reactor.

L. J. Overzet

University of Texas at Dallas, Plasma Applications Lab

Sheath Resistance Measurements in the GEC Reference Reactor.

Measuring the Grounded Electrode

Fitting Vprb2 vs Iprb1 to obtain: Rsheath and Vf(0)

Preliminary overview of measurements:

Argon 100 mTorr

Argon 250 and 500 mTorr

Helium 250 and 500 mTorr

Nitrogen 100 mTorr

Nitrogen 250 and 500 mTorr

Sheath Resistance vs. electron density

Argon, Helium and Nitrogen at 250 mTorr

100 and 500 mTorr discharges

Sheath resistance explanation:

Ar, He and N2: Vf(0) vs. ne at 250 mTorr

Summary and conclusions:


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email: overzet@utdallas.edu
 

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