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  • As a result of Schottky defectOption: 1 There is no effect on densityOption: 2 Density incr

As a result of Schottky defect

Option: 1

There is no effect on density


Option: 2

Density increases


Option: 3

Density decreases


Option: 4

All of the above


Answers (1)

best_answer

In Schottky defect, cations and anions are missing from their lattice site due to which mass of crystal decreases but the volume of crystal remains the same, this causes a decrease in density. In this defect, the density of crystal decreases and crystal behaves as P-type semiconductor and conductivity of crystal increases.
% of missing unit \mathrm{=\left ( \frac{d_{theoretical}-d_{experimental}}{d_{theoretical}} \right )\times100} 

This defect is common in the compound having high coordination number and almost equal size of cation and anion.
ex : NaCl , KCl , CsCl , AgBr etc

Therefore, Option (3) is correct

Posted by

Riya

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