Modern Physics Ques 242
- The impurity atoms with which pure silicon should be doped to make a $p$-type semiconductor are those of
(a) phosphorus
(b) boron
(c) antimony
(d) aluminium
(1988, 2M)
Show Answer
Answer:
Correct Answer: 242.(b,d)
Solution:
Formula:
Charge Concentration and Current:
- To make a $p$-type semiconductor, a trivalent impurity should be added to pure tetravalent compounds.
BETA
