Which of the following statements are incorrect with respect to crystalline defects?

Options

A. n-type semiconductor always increases density of crystal while p-type semiconductor decreases density
B. Dislocation defect does not change the density of defects.
C. Increases in temperature increases density of the defects.
D. Ionic substance crystallzing as CsCl structure wikll have greater tendency for Schottky defect as compound to Frenkel defect.