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← ScienceWhich failure occurs when electron transport depends on tunneling through gate oxides?
A)Increased gate leakage current occurs✓
B)Reduced channel mobility is observed
C)Increased subthreshold swing ensues
D)Drain-induced barrier lowering dominates
💡 Explanation
Increased gate leakage happens because Field-assisted tunneling allows electrons to penetrate the thin oxide layer. Therefore, current increases, rather than mobility reducing or barrier lowering occuring which require different conditions in the semiconductor.
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