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← TechnologyWhich outcome results when differential doping near the metal-semiconductor Schottky junction is insufficient?
A)Excessive reverse leakage current✓
B)Increased gate oxide breakdown
C)Decreased channel length modulation
D)Improved subthreshold swing behavior
💡 Explanation
Insufficient doping causes depletion region widening at the Schottky junction; the resulting field enhances tunneling via Zener breakdown. Therefore, reverse leakage increases dramatically because tunneling dominates current flow, rather than minority carrier diffusion.
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