The floating potential of the ball-pen probe remains almost constant for deeper positions too.
2.
The voltage of these plates is the floating potential.
3.
Those included installing a voltage monitor, called a floating potential probe, at the station's summit.
4.
The ion-saturation current is taken as a surrogate for the density and the floating potential as a surrogate for the plasma potential.
5.
As their final task, Tanner and Noriega will install a large sensor called the floating potential probe on top of the new power module.
6.
The floating potential of the small electrode can be used to correct for changes in potential at the sheath edge of the large probe.
7.
Thus, the coefficient \ alpha is equal to zero and floating potential of ball-pen probe is equal to the plasma potential independently on electron temperature
8.
When an electrode is biased to any voltage other than the floating potential, the current it draws must pass through the plasma, which has a finite resistivity.
9.
The bias voltage is chosen to be a few times the electron temperature so that the negative electrode draws the ion saturation current, which, like the floating potential, is directly measured.
10.
The potential across the sheath surrounding an electrically-isolated object ( the floating potential ) is typically only 10 20 V, but much higher sheath potentials are achievable by adjustments in reactor geometry and configuration.
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