Vacancy defect

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

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 crystallographic defects.

Excerpt from the Wikipedia article “Vacancy defect”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Joanna Kośmider, Public domain, via Wikimedia Commons.