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  • Which of the following defects is responsible for the yellow colour of diamonds?Option: 1  Frenkel defect<

Which of the following defects is responsible for the yellow colour of diamonds?

Option: 1

 Frenkel defect


Option: 2

Schottky defect


Option: 3

Interstitial defect


Option: 4

Vacancy defect


Answers (1)

best_answer

The yellow colour of diamonds is due to the presence of nitrogen impurities in the crystal lattice. Nitrogen can create two types of defects in the diamond crystal lattice: substitutional defects and interstitial defects. In substitutional defects, nitrogen atoms replace carbon atoms in the crystal lattice. However, these defects do not cause any coloration. In interstitial defects, nitrogen atoms occupy interstitial sites in the crystal lattice, which causes the yellow coloration. Hence, the correct answer is option c.

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