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← ScienceWhich outcome occurs when pressure exceeding silicon's yield strength?
A)Permanent alteration band gaps✓
B)Increased electron effective mass
C)Augmented phonon dispersion range
D)Elevated intrinsic carrier concentration
💡 Explanation
Permanent deformation occurs, changing atomic spacing; therefore deformation causes alterations to the band gaps, rather than an effective mass increase, because lattice structure is permanently misshapen influencing electronic structure via Bloch's Theorem.
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