Question

what is impurity defects? explain with diagrams frenkel defe​

Answer 1

Explanation:

Impurity defects are foreign atoms that replace some of the atoms making up the solid or that squeeze into the interstices; they are important in the electrical behaviour of semiconductors, which are materials used in computer chips and other electronic devices.

Answer 2

Answer:

Frenkel defects :

This type of defect arises when an ion is missing from its lattice site and occupies an interstitial position. ... Frenkel defect are not found in pure alkali metal halides because the cations due to larger size cannot get into the interstitial sites.

Diagram attached below :

Hope that helps !