Physics · Semiconductor Devices
Which of the following conditions defines the threshold voltage point for a Metal-Oxide-Semiconductor (MOS) capacitor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When the surface potential is equal to twice the bulk Fermi potential, making the surface inversion carrier concentration equal to the bulk doping concentration✓
- 2When the depletion region width reaches its minimum possible value
- 3When the surface electron concentration is less than the bulk doping concentration
- 4When the surface potential is exactly half of the Fermi potential
Correct answer
When the surface potential is equal to twice the bulk Fermi potential, making the surface inversion carrier concentration equal to the bulk doping concentration
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