Question

Which type of ‘defect’ has the presence of cations in the interstitial sites?

Options

• Schottky defect

• Vacancy defect 

• Frenkel defect

• Metal deficiency defect

Answer 1

Frenkel defect

Explanation:

In a Frenkel defect, some ions (usually cations due to their small size) are missing from their normal position and occupy positions in interstitial sites.