Oxygen-induced structural change of the tetragonal phase around the tetragonal–cubic phase boundary in ZrO<sub>2</sub>–YO<sub>1.5</sub> solid solutions

書誌事項

公開日
1994-12-01
権利情報
  • http://journals.iucr.org/services/copyrightpolicy.html
  • http://journals.iucr.org/services/copyrightpolicy.html#TDM
DOI
  • 10.1107/s0108768194006257
公開者
International Union of Crystallography (IUCr)

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説明

In the ZrO 2 -YO 1.5 solid solutions, the phase changes among the cubic phase (Fm3m, Z=4), the t″ form and the t' form were investigated by neutron and X-ray powder diffraction, where the t″ and t' forms are defined as tetragonal phases (P4 2 /nmc, Z=2) with axial ratios of c/a f =1 and c/a f >1, respectively, which were prepared by a diffusionless transition from the high-temperature cubic phase during quenching. a f is the lattice parameter of the pseudo-fluorite cell

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