# Exercise 2.1-4

# Derive the Formula for the Vacancy Equilibrium Concentration

| Start from the formulas given, use the approximations described, and show that
cV | = | concentration of vacancies | = | SF k | · exp – | HF kT
--- | --- | --- | --- | --- | --- | ---
|  | Would more advanced versions of Stirlings formula get better results?
| Link to the Solution

With frame

2.1.1 Simple Vacancies and Interstitials

Combinatorics

Solution to Basic Exercise 2.1-4

© H. Föll (Defects - Script)