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← ScienceWhich consequence results when rapid electron transfer exceeds electron mobility?
A)Increased dielectric breakdown strength
B)Increased device operating lifetime
C)Hot carrier injection into gate oxide✓
D)Improved transistor switching performance
💡 Explanation
Hot carrier injection occurs because acceleration from the electric field leads to higher electron kinetic energy; therefore, highly energetic electrons enter the gate oxide, rather than contributing to normal conduction, due to limited mobility.
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