Task 7: Midgap Voltage
On the Midgap condition, depletion
capacitor is in series with C0x. We have already known C0x
was the maximum capacitance of the gate and the depletion capacitance could be deduced
by the equation shown below. Under this circumstance, the work function of
semiconductor Φs is
equal to Fermi energy ΦF. Therefore, the total
capacitance is approximately 69.3pF and the voltage is between 1.21 and 1.22
volts.
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