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Probing the effect of radiation damage on the structure of rare-earth phosphates

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dc.contributor.authorRafiuddin, Mohamed Ruwaid
dc.contributor.authorGrosvenor, Andrew
dc.date.accessioned2018-05-01T20:52:51Z
dc.date.available2018-05-01T20:52:51Z
dc.date.issued2015
dc.description.abstractSynthetic analogues of naturally occurring monazite (REPO4; RE = La to Gd) and xenotime (RE0PO4; RE0 = Tb to Lu and Y) minerals have been identified as potential wasteforms for nuclear waste. High energy ion-implantation of crystalline materials simulates radiation-induced structural damage and allows for the radiation resistance of a crystal structure to be probed. The structural stability of Au ion- implanted La1-xYbxPO4 materials was investigated using micro-X-ray diffraction (m-XRD) and glancing angle X-ray absorption near-edge spectroscopy (GA-XANES) in this study. The long- and short-range order of La1-xYbxPO4 (x = 0, 0.3, 0.7, 1.0) is affected by ion-implantation and, thus, the materials are prone to structural damage. The structures of some members of the La1-xYbxPO4 series (x = 0.7 and 1.0) were observed to partially recover after being implanted with Au ions to a high dose. The structures of all members of the La1-xYbxPO4 series were observed to recover from damage resulting from ion- implantation after annealing the materials at temperatures >300 C.en_US
dc.description.sponsorshipNSERCen_US
dc.identifier.citationJournal of Alloys and Compounds 653 (2015) 279-289en_US
dc.identifier.urihttp://hdl.handle.net/10388/8546
dc.publisherElsevieren_US
dc.subjectMonaziteen_US
dc.subjectXenotimeen_US
dc.subjectRadiation-induced structural damageen_US
dc.subjectWasteformen_US
dc.subjectGlancing angle XANESen_US
dc.subjectMicro-XRDen_US
dc.titleProbing the effect of radiation damage on the structure of rare-earth phosphatesen_US
dc.typeArticleen_US

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