Answer: Pure germanium has a band gap of 0.67 eV. The
Chapter 42, Problem 42.26(choose chapter or problem)
Pure germanium has a band gap of 0.67 eV. The Fermi energy is in the middle of the gap. (a) For temperatures of 250 K, 300 K, and 350 K, calculate the probability f(E) that a state at the bottom of the conduction band is occupied. (b) For each temperature in part (a), calculate the probability that a state at the top of the valence band is empty.
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