ON THE CALCULATION OF POINT-DEFECT EQUILIBRIA

A method is outlined for solving the equations describing the quasi ch emical equilibria of point defects, with particular reference to binar y oxides. The method gives exact solutions for all defect concentratio ns and the oxygen activity as a function of n = [e']. In comparison to the traditional approach, the feasibility of the method does not depe nd on the number of differently charged defects of the same kind. Poss ible extensions of the approach are briefly discussed.