What is the difference between a vacancy and a defect in a solid solution?

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But in summary, a vacancy is a specific type of defect in a solid solution, and the Arrhenius equation can be used to describe the ratio of vacancies to atom sites. Defects in general refer to any deviation from the ideal atomic arrangement in a solid, and there are various types of defects, with vacancies being one of them. To calculate the equilibrium number of vacancies in a point defect, the Arrhenius equation can be used along with other factors such as temperature and the number of atom sites.
  • #1
member 392791
Hello,

I am wondering, what is the difference between a vacancy and a defect in a solid solution? They both have the same arrhenius equation that describes their number ratio with atom sites, but I thought a vacancy is a defect, or is a defect a more broad term than just a vacancy (i.e. vacancy is a defect but defect doesn't necessarily imply vacancy)

Thank you
 
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  • #2
(i.e. vacancy is a defect but defect doesn't necessarily imply vacancy)
Right. There are many defect types, a vacancy is one of them.
 
  • #3
how to calculate the equilibrium vacancies in point defect
 
  • #5
Also, this thread is from 2013.

@madhumathi hk: Google can answer questions like those much faster than forums, where more detailed questions can be discussed.
 

Related to What is the difference between a vacancy and a defect in a solid solution?

What are vacancies and defects?

Vacancies and defects refer to imperfections or irregularities in the crystal lattice structure of a material. Vacancies are empty spaces where an atom is missing, while defects are when an atom is present in the wrong location or when there is a different type of atom in the lattice.

How do vacancies and defects occur?

Vacancies and defects can occur during the formation of a material or as a result of external factors such as heat, pressure, or radiation. They can also occur due to impurities in the material or due to mechanical stresses.

What is the difference between vacancies and interstitial defects?

Vacancies are empty spaces in the lattice where an atom is missing, while interstitial defects are when an atom occupies a space between lattice points. Interstitial defects can also occur when an atom of a different size is inserted into the lattice, causing distortion.

How do vacancies and defects affect the properties of a material?

The presence of vacancies and defects can significantly alter the mechanical, electrical, and thermal properties of a material. They can affect the strength, ductility, and conductivity of a material, and can also impact its response to external stimuli such as temperature and stress.

Can vacancies and defects be controlled or eliminated?

While vacancies and defects cannot be completely eliminated, they can be controlled through various methods such as annealing, alloying, and doping. These processes can help reduce the number of vacancies and defects in a material, improving its overall properties.

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