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← ScienceWhich consequence results when lattice strain modifies electronic band structure?
A)Increased piezoelectric response✓
B)Complete ionic dissociation
C)Enhanced mechanical impedance
D)Decreased electron mobility
💡 Explanation
Applied stress alters crystal symmetry, therefore increasing dipole moment; this arises from band gap modulation creating Polarization via the piezoelectric effect, rather than affecting electron mobility or ionic behaviour generally because the shift in band gap changes the material's physical dimensions under strain.
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