Question: 38
(Choose 1 answer)
For an n-type semiconductor to form an Ohmic contact with a metal, which of the following must be true?
A. The work function of the metal must be larger than the work function of the semiconductor.
B. The work function of the metal must be smaller than the work function of the semiconductor.
C. The work function of the metal must be equal to the work function of the semiconductor.
D. The metal and semiconductor must have the same doping concentration.
