HRTEM study of orthorhombic zirconia in MgO-PSZ

Liu, Z.; Bando, Y.; Drennan, J.; Spargo, A.E.C.

doi:10.1107/S0021889803009075

HRTEM study of orthorhombic zirconia in MgO-PSZ

Z. Liu, Y. Bando, J. Drennan and A. E. C. Spargo

High-resolution transmission electron microscopy (HRTEM) was used to study the phase of orthorhombic ZrO₂ formed in magnesia partially stabilized zirconia (MgO-PSZ) during HRTEM specimen preparation. Based on the three reported crystal structures of orthorhombic ZrO₂, with the space groups Pbcm, Pbc2₁ and Pbca, here it is shown that orthorhombic ZrO₂ formed in MgO-PSZ has the Pbcm structure.

Keywords: ceramics; magnesia partially stabilized zirconia; high-resolution transmission electron microscopy; phase transitions.

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HRTEM study of orthorhombic zirconia in MgO-PSZ

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