The correct statement(s) regarding defects in solids is(are) -

A

Frenkel defect is usually favoured by a very small difference in the size of cation and anion

B

Frenkel defect is a dislocation defect

C

Trapping of an electron in the lattice leads to the formation of F-center

D

Schottky defects have no effect on the physical properties of solids