Which of the following defects has the presence of cations in the interstitial sites?

Frenkel defect

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Metal deficiency defect

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Schottky defect

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Vacancy defect

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Solution

The correct option is A Frenkel defect
A Frenkel defect or dislocation defect is a type of point defect in crystalline solids named after its discoverer Yakov Frenkel. The defect forms when an atom or smaller ion (usually cation) leaves its place in the lattice, creating a vacancy and become an interstitial by lodging in a nearby location.

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Similar questions

How Metal excess defect is caused by the presence of extra cations in the interstitial sites?

Cations are present in the interstitial sites in ...........

(a) Frenkel defect (b) Schottky defect

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