Oxygen self-diffusion coefficients were determined for near-stoichiometric monoclinic zirconia exposed to an oxygen atmosphere at 300mm Hg pressure at 800 to 1000C. These results obeyed:

D(cm2/s) = 9.73 x 10-3 exp-56000/RT

A.Madeyski, W.W.Smeltzer: Materials Research Bulletin, 1968, 3[4], 369-75