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← ScienceWhich outcome occurs when critical point defects alter semiconductor band gap?
A)Reduced threshold voltage in MOSFETs✓
B)Increased Hall effect sensitivity
C)Improved thermoelectric conversion efficiency
D)Enhanced chemical reaction catalytic activity
💡 Explanation
The introduction of point defects creates intermediate energy levels within the band gap, influencing the Shockley-Read-Hall recombination. This lowers the effective threshold voltage because less energy is required for transistor switching, therefore threshold reduces rather than affecting other device characteristics.
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