For a pure semiconductor the Fermi level is:
A) in the conduction band
B) well above the conduction band
C) in the valence band
D) well below the valence band
E) near the center of the gap between the valence and conduction bands

Question

Quizplus · Accepted Answer

In a pure (intrinsic) semiconductor at absolute zero, the Fermi level is exactly in the middle of the energy gap between the conduction band and the valence band. At higher temperatures, it remains near the center of the gap, as it represents the energy level at which the probability of finding an electron is 50%.

For a Pure Semiconductor the Fermi Level Is