Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
When a pentavalent impurity is added in Ge crystal then, what type of semiconductor is obtained ?
A
A p-type
B
An n-type
C
Intrinsic
D
None of these
Answer
An n-type
Explanation
Solution
n-type semiconductor is obtained when Si or Ge (tetravalent) is doped with pentavalent inpurities like As, Sb, P, etc