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← ScienceWhich mechanism enables electron mobility within silicon semiconductors?
A)Electronic band structure formation✓
B)Phonon scattering interactions
C)Quantum tunneling influence
D)Impurity doping concentration
💡 Explanation
The formation of the electronic band structure dictates permissible energy levels, because electrons reside within these bands; therefore, free movement increases due to overlapping bands, rather than localized quantum effects.
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