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← ScienceWhich outcome occurs when imperfections alter silicon's band structure?
A)Reduced carrier mobility and conductivity✓
B)Increased thermal energy dissipation
C)Enhanced electron-phonon scattering rates
D)Augmented second harmonic generation efficiency
💡 Explanation
Reduced carrier mobility and conductivity results from the changed band structure; because impurities cause **impurity scattering** which lowers electron velocity and increases resistance. Therefore, conductivity drops, rather than phonon scattering increasing or harmonic generation, under bias.
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