Diffuse reflectance and x-ray photoelectron spectroscopy of uranium in ZrO2 and Y2Ti2O7.

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dc.contributor.authorVance, ERen_AU
dc.contributor.authorZhang, YJen_AU
dc.contributor.authorZhang, ZMen_AU
dc.date.accessioned2010-07-05T06:08:41Zen_AU
dc.date.available2010-07-05T06:08:41Zen_AU
dc.date.issued2010-05-01en_AU
dc.date.statistics2010-05-01en_AU
dc.description.abstractDiffuse reflectance measurements were made over the wavenumber range of 4000–20,000 cm−1 at room temperature on monoclinic and stabilised ZrO2, together with Y2Ti2O7 having the pyrochlore structure, all of which were doped with U and sintered in various atmospheres. X-ray photoelectron spectroscopy measurements were also carried out on selected samples. In monoclinic and stabilised zirconia, U exhibited valence states of +4 and/or +5, depending on the sintering atmosphere and the presence of appropriate charge compensators. Using both diffuse reflectance and X-ray photoelectron spectroscopy, U was also observed as mainly U4+ and/or U5+ in U-doped Y2Ti2O7 sintered at 1400°C in air or Ar, although a small amount of U6+ also appeared to be present in some U-doped Y2Ti2O7 samples heated in air. © 2010, Elsevier Ltd.en_AU
dc.identifier.citationVance, E. R., Zhang, Y., & Zhang, Z. (2010). Diffuse reflectance and x-ray photoelectron spectroscopy of uranium in ZrO2 and Y2Ti2O7. Journal of Nuclear Materials, 400(1), 8-14. doi:10.1016/j.jnucmat.2010.02.003en_AU
dc.identifier.govdoc1861en_AU
dc.identifier.issn0022-3115en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleJournal of Nuclear Materialsen_AU
dc.identifier.pagination8-14en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jnucmat.2010.02.003en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1761en_AU
dc.identifier.volume400en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectX-ray photoelectron spectroscopyen_AU
dc.subjectUraniumen_AU
dc.subjectValenceen_AU
dc.subjectZirconoliteen_AU
dc.subjectPlutoniumen_AU
dc.subjectPyrochloreen_AU
dc.titleDiffuse reflectance and x-ray photoelectron spectroscopy of uranium in ZrO2 and Y2Ti2O7.en_AU
dc.typeJournal Articleen_AU
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