Question

write the note on vacancydefect
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Answer 1

Answer:

In crystallography, a vacancy is a type of point defect in a crystal where an atom is missing from one of the lattice sites. Crystals inherently possess imperfections, sometimes referred to as crystalline defects. ... It is the simplest point defect. In this system, an atom is missing from its regular atomic site.

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Answer 2

Answer:

In crystallography, a vacancy is a type of point defect in a crystal where an atom is missing from one of the lattice sites. Crystals inherently possess imperfections, sometimes referred to as crystalline defects. It is also known as a Schottky defect, although in ionic crystals the concepts are not identical.