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Which outcome occurs when defects close Schottky junctions within polycrystalline silicon?

A)Increased minority carrier recombination velocity
B)Enhanced piezoelectric coefficient generation
C)Decreased material refractive index
D)Accelerated thermal expansion coefficient increase

💡 Explanation

Increased recombination velocity is observed, because defect-mediated diffusion fills the Schottky *gaps*, enhancing electron-hole recombination around impurities; therefore, lifetime plummets; rather than altering inherent material properties represented in alternative answers.

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