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Please use this identifier to cite or link to this item: http://hdl.handle.net/10373/123

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Title: XAFS analysis of molten rare-earth-alkali metal fluoride systems
Authors: Watanabe, S.
Adya, Ashok K.
Okamoto, Y.
Umesaki, N.
Honma, T.
Deguchi, H.
Horiuchi, M.
Yamamoto, T.
Noguchi, S.
Takase, K.
Kajinami, A.
Sakamoto, T.
Hatcho, M.
Kitamura, N.
Akatsuka, Hiroshi
Matsuura, H.
Affiliation: University of Abertay Dundee. School of Contemporary Sciences
Keywords: Molten salt
Rare-earth fluoride
Pyrochemical reprocessing
Local structure
Issue Date: 9-Feb-2006
Publisher: Elsevier
Type: Article
Refereed: peer-reviewed
Rights: Published version © Elsevier, available at http://www.sciencedirect.com
Citation: Watanabe, S., et al. 2006. XAFS analysis of molten rare-earth-alkali metal fluoride systems. Journal of Alloys and Compounds. 408-412: pp.71-75. Available from DOI: http://dx.doi.org/10.1016/j.jallcom.2005.04.105
Abstract: X-ray absorption fine structure (XAFS) measurements on rare-earth-alkali metal fluoride systems (0.2 LnF3–0.8 MF: Ln = La, Ce, Nd, Sm; M = Li, Na, K) have been carried out at 300 and 1173 K. The local structures around rare-earth-ions in both the solid and liquid phases were evaluated by the curve-fitting analysis, involving anharmonic oscillation effects at the higher temperature. This study revealed that the nearest-neighbour Ln3+–F− distance and the corresponding coordination number of F− around Ln3+ in the molten state mainly depend on the lanthanide species rather than the size of the alkali metal ion.
URI: http://hdl.handle.net/10373/123
Appears in Collections:Science Engineering & Technology Collection

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