Question

What are point defects in the cristals ?

(b) Name the main point defects .

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Answer 1

Answer:

point defect :include lattice vacancies,self-interstitial atom,substitution impurity atoms and interstitail impurity atom

Answer 2

Explanation:

QUESTION : What are point defects in the cristals?

ANSWER : Point defects are defects that occur only at or around a single lattice point.They are not extended in space in any dimension.Strict limits for how small a point defect is generally not defined explicitly. However, these defects typically involve at most a few extra or missing atoms.

QUESTION : Name the main point defects.

ANSWER :

Point defects-

1. Stoichiometric defect
2. Frenkel defect
3. Schottky defect

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