Question

What do you understand by imperfections in crystals? What are the reason for imperfections??

Answer 1

Answer:

Imperfections in crystals = It is generally supposed that arrangement of constituent particles in crystal structure is completely regular, but actually it is very hard to get a such complete ideal crystal Crystal structure have many imperfections or defects.The reason for imperfections is Temperate and Presence of impurities.

Answer 2

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Crystal defect, imperfection in the regular geometrical arrangement of the atoms in a crystalline solid.

• 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 are generally not defined explicitly.