Which of the following elements might be used as a dopant in a silicon host to create a p-type semiconductor?
A) Al
B) P
C) As
D) S
E) Ge

Question

Quizplus · Accepted Answer

Aluminum (Al) is a group III element, which means it has one less valence electron than silicon, a group IV element. When Al is used as a dopant in silicon, it creates "holes" or positive charge carriers, making the semiconductor p-type.

Which of the Following Elements Might Be Used as a Dopant