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← ScienceWhich outcome results when dislocations propagate through doped silicon crystal?
A)Reduced carrier mean free path✓
B)Increased thermal boundary resistance
C)Enhanced electron-phonon scattering
D)Suppressed radiative recombination rate
💡 Explanation
Dislocations create scattering centers; therefore, crystal defects via dislocation glide reduce electron mobility via enhanced electron-defect scattering, because they impede the free flow of charge carriers rather than increasing phonon scattering or radiative recombination.
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