Which of the following can be used to increase the conductivity of any semimetal?
I.Adding an element with one additional valence electron
II.Adding an element with one fewer valence electron
III.Lowering the temperature
A) I only
B) II only
C) III only
D) I and II only
E) I, II and III

Question

Quizplus · Accepted Answer

Adding an element with one additional or one fewer valence electron (doping) can increase conductivity by introducing more charge carriers. Lowering the temperature generally decreases conductivity in semimetals.

Which of the Following Can Be Used to Increase the Conductivity