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Effective Ionic Radius of Y3+ Determined from Lattice Parameters of Fluorite-Type HfO2 and ZrO2 Solid Solutions
Article first published online: 8 MAR 2005
DOI: 10.1111/j.1151-2916.1994.tb07035.x
Additional Information
How to Cite
Kim, D.-J., Hyun, S.-H., Kim, S.-G. and Yashima, M. (1994), Effective Ionic Radius of Y3+ Determined from Lattice Parameters of Fluorite-Type HfO2 and ZrO2 Solid Solutions. Journal of the American Ceramic Society, 77: 597–599. doi: 10.1111/j.1151-2916.1994.tb07035.x
M. F. Trubelja—contributing editor
Support for D.-J. Kim was provided by Korea Ministry of Science and Technology under Contract No. 6-2E12510.
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Member, American Ceramic Society.
Publication History
- Issue published online: 8 MAR 2005
- Article first published online: 8 MAR 2005
- Manuscript No. 194152. Received October 5, 1993; approved December 1, 1993.
- Abstract
- References
- Cited By
Fluorite type HfO2 and ZrO2 solid solutions were prepared by doping with 8 to 14 mol% of Ho2O3 and Y2O3, and their lattice parameters were determined. In both HfO2 and ZrO2 systems, the lattice parameters of the solid solutions containing Ho203 were consistently greater than those containing the same amounts of Y2O3. This indicated that the ionic radius of Ho3+ was larger than that of Y3+ in the fluorite structure solid solutions. The effective ionic radius of Y3+ in eightfold coordination was estimated to be 0.1011 nm by using the measured lattice parameters and the empirical equations to predict the lattice parameters of the fluorite-type solid solutions.