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Which outcome causes silicon's band gap shifts when doped with differing elements?

A)Atomic core charge shielding increases
B)Orbital hybridization modifies energy levels
C)Fermi level aligns with mid-gap
D)Brillouin zone boundary shifts occur

💡 Explanation

Orbital hybridization alters the electron energy band structure, thus modifying the band gap, because the introduced dopant atoms form new hybrid orbitals. Therefore, the silicon changes, rather than solely experiencing charge variation or Brillouin zone effects.

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