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← ScienceWhich mechanism causes increased conductivity in a crystal when strained?
A)Piezoelectric-induced band structure deformation✓
B)Increased electron-phonon scattering rate
C)Amplified piezoelectric field localization
D)Decreased domain wall velocity limitation
💡 Explanation
Applying strain modifies interatomic distances, deforming the crystal lattice. This piezoelectric effect alters electronic band structures, therefore increasing availability of charge carriers and conductivity, rather than phonon scattering dominating.
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