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

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Discussion Overview

The discussion revolves around the distinction between vacancies and defects in solid solutions, exploring the definitions and implications of these terms within the context of point defects and their equilibrium calculations.

Discussion Character

  • Conceptual clarification, Debate/contested, Homework-related

Main Points Raised

  • One participant questions the difference between a vacancy and a defect, suggesting that while a vacancy is a type of defect, the term defect may encompass more than just vacancies.
  • Another participant confirms that vacancies are indeed a type of defect, indicating the existence of various defect types.
  • There are repeated inquiries about how to calculate equilibrium vacancies in point defects, indicating a need for further exploration of this topic.
  • A participant challenges another for not attempting to find the answer through external resources, suggesting that such questions may be better suited for quick searches rather than forum discussions.
  • Another participant notes that the thread is from 2013, implying that the discussion may not be current.

Areas of Agreement / Disagreement

Participants generally agree that vacancies are a type of defect, but the broader implications of the term "defect" remain contested. The discussion about calculating equilibrium vacancies is unresolved, with no consensus on the approach to take.

Contextual Notes

The discussion lacks detailed definitions of various defect types and does not resolve the mathematical steps involved in calculating equilibrium vacancies.

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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(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.
 
how to calculate the equilibrium vacancies in point defect
 
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.
 

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