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Which outcome results when applying intense pressure to silicon?

A)Band gap energy decreases substantially
B)Reduced electron-phonon scattering occurs
C)Increased thermal conductivity is observed
D)Higher intrinsic carrier concentration develops

💡 Explanation

Applying intense pressure reduces interatomic spacing, thereby affecting the electronic band structure; the magnitude of the band gap decreases due to increased orbital overlap. Therefore, the band gap diminishes, rather than increased conductivity, because the pressure mainly impacts electronic energy levels.

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