Consider an n-type semiconductor at 300 k with a band gap


Consider an n-type semiconductor at 300 K with a band gap of 1.1 eV, donor levels lying 0.03 eV below the conduction band, and Nd = 2.51 × 1021/m3.

(a) How far below the conduction band is the Fermi level?

(b) Roughly what is the density of conduction electrons?

(c) Roughly what is the density of holes in the valence band?

(d) Repeat parts (a), (b), and (c) for a temperature of 500 K.

(e) Roughly what is the temperature above which it becomes intrinsic?

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Mechanical Engineering: Consider an n-type semiconductor at 300 k with a band gap
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