Question

Indicate which elements can be used as potential semiconductors, and which ones can be used as potential dopants used to make n-type and p-type semiconductors by placing them in the corresponding bin.

F, Al, As, Ge, I.

p-type semiconductors can consist of:
a)highly purified Group III element
b)tiny amounts of a Group III element added to a Group IV element
c) tiny amounts of a Group V element added to a Group IV element
d) tiny amounts of a metal added to a Group III element
e) a highly purified Group IV element
f) equal amounts of a Group III element and a Group IV element
g) a highly purified Group V element
h) equal amounts of a Group IV element and a Group V element
i) tiny amounts of a metal added to a Group V element