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← ScienceWhich outcome results when high doping alters the band structure?
A)Mott transition to metallic conduction✓
B)Increased intrinsic breakdown voltage
C)Enhanced piezoelectric polarization
D)Decreased thermionic emission current
💡 Explanation
A high dopant concentration causes a transition to metallic conduction because band overlap creates a continuous band, hence eliminating the band gap via the mechanism *Mott transition*; therefore conduction increases rather than remaining semiconducting.
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