alleryStart learning →Energy gap of silicon at 300 K is approximately:
A3 eV
B1.12 eV
C0.3 eV
D13.6 eV
Answer & Solution
Correct answer: B. 1.12 eV
Eg(Si) ≈ 1.12 eV at 300K. Ge: 0.66 eV. GaAs: 1.42 eV.
**Diamond:** 5.5 eV (insulator).
**Decreases with temperature:** dEg/dT ≈ -0.3 meV/K for Si.
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