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← ScienceWhich mechanism hinders electron flow in disordered crystal structures?
A)Decreased interatomic orbital overlap
B)Increased phonon-electron scattering✓
C)Enhanced Cooper pair formation
D)Reduced plasmon resonance frequency
💡 Explanation
Impurities increase phonon-electron scattering because imperfections disrupt periodicity, inducing collisions, therefore electron mobility decreases rather than increasing through Cooper pairs or enhanced orbital overlap, which require ordered atomic arrangements.
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