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← ScienceWhich mechanism causes suppressed conductivity when dislocations distort a crystal?
A)Reduced electron mean free path✓
B)Increased interatomic forces
C)Enhanced phonon scattering rate
D)Modified nuclear spin arrangements
💡 Explanation
Deformations in crystal lattices shorten electronic wavelengths through lattice distortions, because this introduces defects that disrupt periodic electron flow, reducing the mean free path; thus, electrical conductivity decreases, rather than increasing resistance from phonon scattering under thermal effects.
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