Radiation damage and the effects of disorder

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dc.contributor.authorWhittle, KRen_AU
dc.contributor.authorBlackford, MGen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorZaluzec, NJen_AU
dc.date.accessioned2022-11-04T00:50:05Zen_AU
dc.date.available2022-11-04T00:50:05Zen_AU
dc.date.issued2009-11-25en_AU
dc.date.statistics2022-10-14en_AU
dc.descriptionThis paper is only available in print format. The Conference Proceedings are held by ANSTO Library, DDC number 543.1/11.en_AU
dc.description.abstractRadiation damage and its effects on a material is an important component in the prediction of the long term stability of waste form materials. As part of the ongoing goal of increasing the accuracy of long-term predictions of radiation damage, two types of material, based on proposed materials with a waste form application have been irradiated. Results have shown that Y2TiO5 (Y2.67Ti1.33O6.57), and Yb2TiO5 (Yb2.67Ti1.33O6.67), both disordered pyrochlore-based materials, behave significantly different to the fully occupied pyrochlore equivalent. For example the critical temperature, the temperature above which materials remain crystalline during irradiation, is found to decrease substantially, ∼150K from the ordered equivalents, e.g. Y2Ti2O7. A second material based on LaTiO5 has been found to behave differently to both La2/3TiO3 and La2Ti2O7, with a change in Tc of ∼200K. Both systems are discussed with reference to both crystalline and chemical effects, highlighting both using experimental, both x-ray and electron based, and simulation analysis. © 2009 AINSEen_AU
dc.identifier.citationWhittle, K. R., Blackford, M. G., Smith, K. L., Lumpkin, G. R., & Zaluzec, N. J. (2009). Radiation damage and the effects of disorder. Paper presented at the 16th Conference on Nuclear & Complementary Techniques of Analysis, AINSE, Lucas Heights, 25-27 November 2009.en_AU
dc.identifier.conferenceenddate27 November 2009en_AU
dc.identifier.conferencename16th Conference on Nuclear & Complementary Techniques of Analysisen_AU
dc.identifier.conferenceplaceLucas Heights, NSWen_AU
dc.identifier.conferencestartdate25 November 2009en_AU
dc.identifier.isbn9780975843486en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13978en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Nuclear Science and Engineering (AINSE)en_AU
dc.subjectPhysical radiation effectsen_AU
dc.subjectMaterialsen_AU
dc.subjectWaste formsen_AU
dc.subjectIrradiationen_AU
dc.subjectPyrochloreen_AU
dc.subjectTransition temperatureen_AU
dc.titleRadiation damage and the effects of disorderen_AU
dc.typeConference Abstracten_AU
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