Abstract

The Druyvesteyn distribution function, an example of a non-Maxwellian distribution for electrons, is used to study the effects of electron energy distribution functions (EEDFs) on the floating potential of an isolated particle under thin plasma sheath conditions by comparing the results with a Maxwellian distribution, and an analytical expression xfD2(xfM)1/2 is obtained, where xfD and xfM are the normalized floating potentials with Druyvesteyn and Maxwellian electron distributions, respectively. Finally, the results are extended to a whole family of EEDFs with the functional form f() = Ap1/2exp(-Bpp), where p is an arbitrary number p1.

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