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Title: Pyrochlore-fluorite transition in Y2Sn2-xZrxO7 - implications for stability
Authors: de los Reyes, M
Whittle, KR
Mitchell, MR
Ashbrook, SE
Lumpkin, GR
Keywords: Irradiation
Phase transformations
Physical radiation effects
Waste forms
Issue Date: 2-Feb-2011
Publisher: Australian Institute of Physics
Citation: de los Reyes, M., Whittle, K. R., Mitchell, M., Ashbrook, S. E., & Lumpkin, G. R. (2011). Pyrochlore-fluorite transition in Y2Sn2-xZrxO7 - implications for stability. Poster presented to the Australian and New Zealand Institutes of Physics 35th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 2nd - 4th February, 2011. Retrieved from:
Abstract: The pyrochlore-fluorite transition is an important factor in determining how materials behave under conditions of irradiation, whether it be as a waste form or as a nuclear material, e.g. ODS additive. Yttrium based materials are often added as oxides to metallic systems, e.g. oxide dispersion strengthened (ODS) steels, which have a wide range of applications. As part of a large programme of research investigating and developing materials which show a high degree of radiation damage resistance, materials based on Y2Sn2-xZrxO7 have been studied. The materials have been examined to determine the order-disorder transition (pyrochlorefluorite), and how this effects the radiation damage resistance, particularly as both end members have previously been shown to be resistant to damage/amorphisation. Results are presented from diffraction and spectroscopic studies showing the degree of order/disorder within the system.
ISBN: 978-0-646-55969-8
Appears in Collections:Conference Publications

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