Which type of defect is shown by the following image?
Chemical impurity
Metal deficiency defect
Frenkel defect
Schottky defect
Schottky defect is a type of vacancy defect in which equal number of cations and anions are missing from the lattice.
Cations are present in the interstitial sites in ...........
(a) Frenkel defect (b) Schottky defect
(c) vacancy defect (d) metal deficiency defect
Which of the following point defects are shown by AgBr(s) crystals ?
1. Schottky defect
2. Frenkel defect
3. Metal excess defect
4. Metal deficiency defect
(a) 1 and 2 (b) 3 and 4 (c) 1 and 3 (d) 2 and 4
Which of the following defects decrase the density ?
(a) Interstitial defect (b) Vacancy defect
(c) Frenkel defect(d) Schottky defect
Which kind of defects are introduced by doping?
(a) Dislocation defect (b) Schottky defect
(c) Frenkel defect (d) Electronic defect