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UNDER RECONSTRUCTION (slowly...)   Updated: 10/97

Getting negative ions to surfaces.

Getting negative ions to surfaces.

“Over a wide range of parameters, the flux at the edge of the electronegative region, where a<<1, is well below the modified Bohm flux (G+<

• Many electronegative plasmas must have an electropositive edge in order to fulfill the Bohm criterion.
• To get negative ions out: this sheath must be reversed for a long enough period of time.

Particle Density

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