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Explain Scottky defect....

Explain Scottky defect.

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Explain Schottky defect in Stoichiometric crystals. What are the consequences of Schottky and Frenkel defects in crystals ?

(a) Define the terms crystalline and amorphous solids. (b) Explain Schottky defect with an example.

(a) Define the terms crystalline and amorphous solids. (b) Explain Schottky defect with an example.

Schottky defect is-

Explain the Schottky defects in stoichiometric crystals.

Explain the following terms with suitable example: a. Schottky defect b. Frenkel defect c. Interstitials

Explain the following terms with suitable example: a. Schottky defect b. Frenkel defect c. Interstitials d. F-centres

Assertion (A) Both Frenkel and Schottky defects are stoichiometric defects. Reason (R ) Both defects change the density of the crystalline solid.

A : In Schottky defect, density of crystal decreases. R : Equal number of cations and anions are missing in Schottky defect.

Define Frenkel and Schottky defects with examples.