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← TechnologyWhich outcome arises when hydrostatic stress exceeds a critical threshold in crystalline silicon?
A)Piezoelectric current generation
B)Dislocation nucleation and slip✓
C)Increased electron-hole mobility
D)Polycrystalline grain boundary formation
💡 Explanation
Hydrostatic stress causing dislocation occurs due to exceeding the yield strength; the mechanism is plastic deformation. Because this involves nucleation of dislocation loops therefore slip occurs, rather than purely elastic deformation or changes in electronic properties at lower stress.
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