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V(x) E Particle Vo -x- L Region I Region II Region III

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An electron is attempting to tunnel through a square barrier potential. (a) Draw a potential function with zero potential on either side of a square-top potential similar to Figure. Draw the wave function before, after, and inside the barrier. (b) Let the barrier be twice as wide and repeat part (a). (c) Let the barrier be about twice as tall as in (a) and repeat (a). Do not perform calculations; make estimates only

V(x)
E
Particle
Vo
-x-
L
Region I
Region II Region III

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