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Title: Raman and infrared spectroscopic study of kamphaugite-(Y).
Authors: Frost, Ray Leslie
López, Andrés
Cipriano, Ricardo Augusto Scholz
Keywords: Hydroxyl
Infrared and Raman spectroscopy
Issue Date: 2015
Citation: FROST, R. L.; LÓPEZ, A.; CIPRIANO, R. A. S. Raman and infrared spectroscopic study of kamphaugite-(Y). Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 143, p. 67-71, 2015. Disponível em: <>. Acesso em: 08 set. 2015.
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 1088 cm 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 m4 region offers further support for the nonequivalence of carbonate anions in the structure. Vibrational spectroscopy enables aspects of the structure of the mineral kamphaugite-(Y) to be assessed.
ISSN: 1386-1425
metadata.dc.rights.license: O periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3727581511493.
Appears in Collections:DEGEO - Artigos publicados em periódicos

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