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Which outcome results when doping disrupts a silicon crystal?

A)Reduction in mean free path
B)Increased phonon thermal conductivity
C)Augmented dielectric breakdown strength
D)Shift in the Debye temperature

💡 Explanation

Doping introduces impurities that scatter charge carriers and reduce the *mean free path*, because imperfections impede transport, therefore conductivity decreases rather than enhances, and the Debye temperature changes by a different order.

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