Question

Problem 7 - Consider a metal-semiconductor junction that behaves according to ideal Schottky theory. Assume that the work function of a n-type semiconductor is 4.5 ev. Sketch band diagram for

cases where the metal work-function is (a) 4.0 ev (b) 4.5 ev (c) 5.0 ev

Fig: 1

Fig: 2

Fig: 3

Fig: 4