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← ScienceWhich consequence results when dopants distort a semiconductor's crystal lattice?
A)Increased free carrier recombination rate✓
B)Enhanced intrinsic charge carrier mobility
C)Stabilized extrinsic semiconductor resistivity
D)Reduced temperature dependence of conductivity
💡 Explanation
Increased free carrier recombination rate occurs, specifically Shockley-Read-Hall recombination, because lattice distortion increases defect states. Therefore, carriers recombine more easily rather than contributing indefinitely to conductivity because dislocations act as recombination centres.
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