Electronics Engineering · Semiconductor Devices
In a MOS capacitor, the threshold voltage is defined as the gate voltage at which:
- 1Maximum accumulation of majority carriers occurs at the semiconductor surface.
- 2Maximum depletion of carriers occurs in the semiconductor.
- 3The surface potential reaches twice the bulk Fermi potential, initiating strong inversion.✓
- 4There is no net charge in the semiconductor, and the bands are flat.
Correct answer
The surface potential reaches twice the bulk Fermi potential, initiating strong inversion.
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