Module 2: Defect Chemistry and Defect Equilibria
  Defect Equilibria in Non-Stoichiometric Oxides
 


2.12.3 Intrinsic Ionization

Intrinsic ionization leads to the formation of electrons and holes via

Equilibrium constant is

(2.48)

If ne = nh,

(2.49)

Again, one sees that concentration of electron and holes are independent of oxygen pressure.