Physical Chemistry
Explain the following terms with suitable examples:
(i) Schottky defect
Explain the following terms with suitable examples:
(i) Schottky defect
(i) Schottky defect
1 Answer
RAKESH CHINDAM
Approved Tutor Answer10 Years agoSchottky defect: Schottky defect is basically a vacancy defect shown by ionic
solids. In this defect, an equal number of cations and anions are missing to maintain
electrical neutrality. It decreases the density of a substance. Significant number of
Schottky defects is present in ionic solids. For example, in NaCl, there are approximately
106 Schottky pairs per cm3 at room temperature. Ionic substances containing similar-
sized cations and anions show this type of defect. For example: NaCl, KCl, CsCl, AgBr,
etc.
solids. In this defect, an equal number of cations and anions are missing to maintain
electrical neutrality. It decreases the density of a substance. Significant number of
Schottky defects is present in ionic solids. For example, in NaCl, there are approximately
106 Schottky pairs per cm3 at room temperature. Ionic substances containing similar-
sized cations and anions show this type of defect. For example: NaCl, KCl, CsCl, AgBr,
etc.
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