J. Andres et al., SIMULATION OF IONIC-CRYSTALS - CALCULATION OF MADELUNG POTENTIALS FORSTABILIZED ZIRCONIA, Journal of Materials Science, 30(19), 1995, pp. 4852-4856
By assuming complete ionicity, a theoretical study of structure and en
ergetics in zirconias stabilized by the addition of Y2O3 or MgO, has b
een reported. The simulation was carried out using the Ewald summation
technique. The results indicate that the cubic structures of these io
nic crystals are metastable and they transform without an energy barri
er to a pseudomonoclinic or tetragonal structure.