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← ScienceWhich outcome impairs electron transport within a semiconductor?
A)Increased structural defect concentration✓
B)Enhanced Brillouin zone periodicity
C)Reduced phonon scattering events
D)Augmented chemical surface passivation
💡 Explanation
Increased disorder contributes to electron scattering because structural imperfection disrupts electron wave propagation through Bloch waves, which increases the electron effective mass, therefore limiting carrier mobility rather than enhancing zone periodicity or chemical passivation.
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