Physical stability and durability of heavy-ion irradiated crystalline zirconolite CaZrTh2O7 ceramic designed for minor actinide disposition

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dc.contributor.authorAdvocat, Ten_AU
dc.contributor.authorMcGlinn, PJen_AU
dc.contributor.authorSmith, KLen_AU
dc.contributor.authorGosset, Den_AU
dc.contributor.authorRabiller, Hen_AU
dc.contributor.authorZhang, ZMen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorChaumont, Jen_AU
dc.date.accessioned2022-11-04T04:44:18Zen_AU
dc.date.available2022-11-04T04:44:18Zen_AU
dc.date.issued2004-07-01en_AU
dc.date.statistics2022-10-19en_AU
dc.description.abstractExternal irradiation studies with heavy ions Pb3+ accelerated at 510 keV were conducted on non radioactive zirconolite ceramic pellets, containing actinide surrogates such as Rare Earth Elements (REE). Ion irradiation of ceramic pellet surfaces has transformed the outermost several tenths of nanometers of the surface into a metamict state. The chemical durability in water of the irradiated zirconolite ceramics was measured at 100 deg C. The dissolution behavior is similar to that for the fully crystalline materials, and natural zirconolite minerals as well, which are at least several hundred million years old and self-irradiated up to 10 20}alpha decay/g due to the presence of appreciable quantities of Th and U. The amorphization process of the crystalline structure by the alpha decay does not modify the high chemical durability of zirconolite.en_AU
dc.identifier.citationAdvocat, T, McGlinn, P, Smith, K, Gosset, D., Rabiller, H., Zhang, Z., Lumpkin, G., & Chaumont, J. (2004). Physical stability and durability of heavy-ion irradiated crystalline zirconolite CaZrTh2O7 ceramic designed for minor actinide disposition. Paper presented at Atalante 2004, Nimes, France, June 21-24, 2004.en_AU
dc.identifier.conferenceenddate24 June 2004en_AU
dc.identifier.conferencenameAtalante 2004en_AU
dc.identifier.conferenceplaceNimes, Franceen_AU
dc.identifier.conferencestartdate21 June 2004en_AU
dc.identifier.otherP2-01en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13990en_AU
dc.language.isoenen_AU
dc.publisherCommissariat à l'énergie atomique (CEA)en_AU
dc.subjectZirconoliteen_AU
dc.subjectIrradiationen_AU
dc.subjectLead ionsen_AU
dc.subjectUraniumen_AU
dc.subjectThoriumen_AU
dc.subjectRadioactive waste disposalen_AU
dc.subjectRadiation effectsen_AU
dc.subjectCeramicsen_AU
dc.titlePhysical stability and durability of heavy-ion irradiated crystalline zirconolite CaZrTh2O7 ceramic designed for minor actinide dispositionen_AU
dc.typeConference Paperen_AU
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