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← ScienceWhich outcome increases when resonant impurity states widen band gaps?
A)Reduced electron-phonon interaction efficiency
B)Enhanced electron tunneling probability
C)Increased material dielectric breakdown
D)Decreased thermal charge carrier mobility✓
💡 Explanation
Decreased mobility results because Anderson localization causes electron potential disruptions near the Fermi level, therefore blocking the conductive pathways, rather than contributing enhanced tunneling, because wider band gaps increase electron effective mass.
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