# Formation Enthalpies and Entropies for Vacancies and Self-Interstitials

| The following table contains some numbers found in the literature. for simple metals and Si. For more data activate the link
Crystal | HF(V) [eV] | HF(i) [eV]
Ag | 1,1 | No good numbers except HF(i) > HF(V)
Al | 0,76
Au | 0,98
Cu | 1,0
Si | ? 2,0 - 4,5 not yet clear | ? 2,0 - 4,5 not yet clear

With frame

2.1.1 Simple Vacancies and Interstitials

Values for the Formation Enthalpy of Vacancies

Exercise 2.1-6: Enthalpy difference for the limiting cases of Schottky or Frenkel Defects

Solution to Exercise 2.1-6

© H. Föll (Defects - Script)