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Raman spectroscopic study of the uranyl titanate mineral holfertite CaxU2-xTi(O8-xOH4x)•3H2O and the lack of metamictization

Frost, Ray L. (2011) Raman spectroscopic study of the uranyl titanate mineral holfertite CaxU2-xTi(O8-xOH4x)•3H2O and the lack of metamictization. Radiation Effects and Defects in Solids, 166(1), pp. 24-29.

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Abstract

Raman spectra of the uranyl titanate mineral holfertite CaxU2-xTi(O8-xOH4x)•3H2O were analysed and related to the mineral structure. Observed bands are attributed to the TiO and (UO2)2+ stretching and bending vibrations, U-OH bending vibrations, H2O stretching, bending. The mineral holfertite is metamict as is evidenced by order/disorder of the mineral. Unexpectedly the Raman spectrum of holfertite does not show any metamictization. The intensity of the UO stretching and bending modes show normal intensity and the bands are sharp.

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ID Code: 38916
Item Type: Journal Article
Additional URLs:
Keywords: holfertite, uranyl, titanium, mineral, betafite, Raman spectroscopy, U-O bond length
DOI: 10.1080/10420150.2010.525236
ISSN: 1042-0150
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Divisions: Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2011 Taylor and Francis
Deposited On: 30 Nov 2010 08:21
Last Modified: 01 Feb 2012 00:10

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