Abstract
Single crystal Ytrria-stabilized Zirconia was irradiated with Xe2+ and Xe3+ ions at 320 and 450 keV over a range of doses from 1013 to 1016 ions/cm2. Damage appears as a 150 nm surface layer with a dense dislocation network. The X-ray diffraction pattern shows an increasing lattice expansion with increasing dose that reaches a saturation point. Ion irradiation increases the surface conductance of the material; this effect is removed with certain post-treatments. Preliminary isotope depth profiling indicates enhanced ion diffusion in the damaged layer.
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Acknowledgments
The authors would like to thank Dave Barnett, Charles Musgrave, and the fellow staff of the Rapid Prototyping Laboratory for all their advice and feedback. They would also like to thank the staff at the Los Alamos Ion Beam Laboratory for their help with the ion irradiation, Ann Marshall and Arturas Vailionis for help with TEM and XRD, and Paul McIntyre and Xu-Feng Lin for assistance with the IEDP measurement. This work was partially funded by a Stanford Graduate Fellowship.
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Cheng, J., Pornprasertsuk, R., Saito, Y. et al. Ion Irradiation Effects in Solid Oxide Fuel Cell Electrolytes. MRS Online Proceedings Library 801, 187–191 (2003). https://doi.org/10.1557/PROC-801-BB6.10
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DOI: https://doi.org/10.1557/PROC-801-BB6.10