Fe and Mg solubility in the Ca site of zirconolite, CaZrTi2O7

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dc.contributor.authorVance, ERen_AU
dc.contributor.authorCashio, JGen_AU
dc.contributor.authorHanna, JVen_AU
dc.contributor.authorGarrett, Zen_AU
dc.contributor.authorBhati, Men_AU
dc.date.accessioned2021-09-06T06:22:22Zen_AU
dc.date.available2021-09-06T06:22:22Zen_AU
dc.date.issued2004-02-04en_AU
dc.date.statistics2021-08-24en_AU
dc.description.abstractThe solid solubility of Fe in the Ca site of zirconolite appears to be approximately the same whether it is incorporated as the divalent or trivalent species. Divalent Fe was encouraged by using an argon firing atmosphere and direct substitution in the Ca site [Ca(1-x)FexZrTi2O7] and trivalent Fe by the use of an air atmosphere and Al compensation in the Ti site [Ca(1-x)FexZrTi(2-x)AlxO7]. The anticipated valences were confirmed by X-ray near-edge, Xray photoelectron and Mossbauer spectroscopies. Changing the firing atmosphere from argon to air and vice versa also changed the Fe valences, but scanning electron microscopy showed that small amounts of second phase, Fe-bearing materials were present. The possible reasons for the apparently similar solid solubilities of divalent and trivalent Fe in the Ca site are discussed. Solid state magic-angle nuclear magnetic resonance was used to study Mg speciation in the Ca and Ti sites of zirconolite.en_AU
dc.identifier.citationVance, E. R., Cashion, J. G., Hanna, J. V., Garrett, Z., & Bhati, M. (2004). Fe and Mg solubility in the Ca site of zirconolite, CaZrTi2O7. Poster presented to the 28th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, 3-6 February 2004. Retrieved from: https://www.physics.org.au/wp-content/uploads/cmm/2004/04handbook.pdfen_AU
dc.identifier.conferenceenddate6 February 2004en_AU
dc.identifier.conferencename28th Annual Condensed Matter and Materials Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, New South Walesen_AU
dc.identifier.conferencestartdate3 February 2004en_AU
dc.identifier.issn1037-1214en_AU
dc.identifier.otherAp41en_AU
dc.identifier.urihttps://www.physics.org.au/wp-content/uploads/cmm/2004/04handbook.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11605en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectIronen_AU
dc.subjectMagnesiumen_AU
dc.subjectZirconoliteen_AU
dc.subjectCalciumen_AU
dc.subjectArgonen_AU
dc.subjectAtmospheresen_AU
dc.subjectPhotoelectron spectroscopyen_AU
dc.subjectValenceen_AU
dc.subjectNuclear magnetic resonanceen_AU
dc.titleFe and Mg solubility in the Ca site of zirconolite, CaZrTi2O7en_AU
dc.typeConference Posteren_AU
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