Which kind of defects are introduced by doping?
(i) Dislocation defect
(ii) Schottky defect
(iii) Frenkel defects
(iv) Electronic defects
The answer is the option (iv).
Doping introduces electronic defect. Electronic defect occurs due to the addition of electron rich or electron deficient impurity to a perfect crystal. There are 2 types of dopants- n-type and p-type.