Raman and infrared spectroscopic study of kamphaugite-(Y)

Frost, Ray L., López, Andrés, & Scholz, Ricardo (2015) Raman and infrared spectroscopic study of kamphaugite-(Y). Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 143, pp. 67-71.

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Abstract

We have studied the carbonate mineral kamphaugite-(Y)(CaY(CO3)2(OH)·H2O), a mineral which contains yttrium and specific rare earth elements. Chemical analysis shows the presence of Ca, Y and C. Back scattering SEM appears to indicate a single pure phase. The vibrational spectroscopy of kamphaugite-(Y) was obtained using a combination of Raman and infrared spectroscopy. Two distinct Raman bands observed at 1078 and 1088cm(-1) provide evidence for the non-equivalence of the carbonate anion in the kamphaugite-(Y) structure. Such a concept is supported by the number of bands assigned to the carbonate antisymmetric stretching mode. Multiple bands in the ν4 region offers further support for the non-equivalence of carbonate anions in the structure. Vibrational spectroscopy enables aspects of the structure of the mineral kamphaugite-(Y) to be assessed.

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ID Code: 83751
Item Type: Journal Article
Refereed: Yes
Keywords: Kamphaugite-(Y); SEM; EDX; Hydroxyl; Infrared and Raman spectroscopy
DOI: 10.1016/j.saa.2015.02.017
ISSN: 13861425
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Elsevier B.V.
Copyright Statement: Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Deposited On: 26 Apr 2015 23:32
Last Modified: 02 Nov 2015 18:10

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