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← ScienceWhich outcome results when band structure changes during extreme compression of silicon?
A)Metallic behavior and conductivity increase✓
B)Increased brittleness without conductivity change
C)Enhanced semiconducting capability preservation
D)Complete structural collapse becomes impossible
💡 Explanation
A structural transition may cause band overlap; band structure alterations from high pressure result in electrons gaining mobility because the direct band gap closes to allow Metallic behavior, therefore conductivity increases; rather than remaining semiconducting.
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