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← ScienceWhich outcome results when resonant frequency is exceeded in niobium crystal lattice?
A)Increased probability of phonon scattering✓
B)Disrupted Cooper pair formation entirely
C)Enhanced intrinsic semiconductivity significantly
D)Reduced electron effective mass greatly
💡 Explanation
Exceeding the resonant frequency causes the amplitude of lattice vibrations to increase, triggering phonon scattering; because acoustic phonons interact strongly with electrons. Therefore, electron mobility decreases, rather than other electronic structure changes, under these mechanical conditions.
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