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← ScienceWhich outcome occurs when substantial strain distorts crystal lattice?
A)Increased vacancy and interstitial defect density✓
B)Decreased grain boundary diffusion rate
C)Suppressed electron-phonon coupling strength
D)Enhanced perfect crystal ionic conductivity
💡 Explanation
Strain induces deviations from the ideal periodic structure; therefore, increased vacancy and interstitial point defect concentrations result, because atomic displacement alters equilibrium positions and equilibrium defect concentrations shift toward greater disorder, rather than reduced defect density.
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