Hydroxyl-stretching bands 'A' and 'Z' in Raman and infrared spectra of kaolinites

S. Shoval; S. Yariv; K. H. Michaelian; M. Boudeulle; G. Panczer

doi:10.1180/000985599546442

Hydroxyl-stretching bands 'A' and 'Z' in Raman and infrared spectra of kaolinites

S. Shoval, S. Yariv, K. H. Michaelian, M. Boudeulle, G. Panczer

Earth Sciences discipline

Research output: Contribution to journal › Article › peer-review

Abstract

The high frequency OH-stretching band in micro-Raman spectra of kaolinites consistently exhibits two partly overlapping components with varying relative intensities. These bands, labelled A and Z, are located at ∼3700-3690 and 3690-3680 cm^-1, respectively. Band Z displays greater intensity in Raman spectra of highly crystallized kaolinites which have large coherent domains. Both components are also observed in the curve fitted infrared (IR) spectra of kaolinites; band Z is stronger in IR spectra of highly crystallized samples. Data for kaolinites with different particle size support the idea that bands A and Z are the longitudinal optic and transverse optic modes of the high frequency OH-stretching band.

Original language	English
Pages (from-to)	551-563
Number of pages	13
Journal	Clay Minerals
Volume	34
Issue number	4
DOIs	https://doi.org/10.1180/000985599546442
State	Published - Dec 1999

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abstract = "The high frequency OH-stretching band in micro-Raman spectra of kaolinites consistently exhibits two partly overlapping components with varying relative intensities. These bands, labelled A and Z, are located at ∼3700-3690 and 3690-3680 cm-1, respectively. Band Z displays greater intensity in Raman spectra of highly crystallized kaolinites which have large coherent domains. Both components are also observed in the curve fitted infrared (IR) spectra of kaolinites; band Z is stronger in IR spectra of highly crystallized samples. Data for kaolinites with different particle size support the idea that bands A and Z are the longitudinal optic and transverse optic modes of the high frequency OH-stretching band.",

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AU - Boudeulle, M.

AU - Panczer, G.

PY - 1999/12

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N2 - The high frequency OH-stretching band in micro-Raman spectra of kaolinites consistently exhibits two partly overlapping components with varying relative intensities. These bands, labelled A and Z, are located at ∼3700-3690 and 3690-3680 cm-1, respectively. Band Z displays greater intensity in Raman spectra of highly crystallized kaolinites which have large coherent domains. Both components are also observed in the curve fitted infrared (IR) spectra of kaolinites; band Z is stronger in IR spectra of highly crystallized samples. Data for kaolinites with different particle size support the idea that bands A and Z are the longitudinal optic and transverse optic modes of the high frequency OH-stretching band.

AB - The high frequency OH-stretching band in micro-Raman spectra of kaolinites consistently exhibits two partly overlapping components with varying relative intensities. These bands, labelled A and Z, are located at ∼3700-3690 and 3690-3680 cm-1, respectively. Band Z displays greater intensity in Raman spectra of highly crystallized kaolinites which have large coherent domains. Both components are also observed in the curve fitted infrared (IR) spectra of kaolinites; band Z is stronger in IR spectra of highly crystallized samples. Data for kaolinites with different particle size support the idea that bands A and Z are the longitudinal optic and transverse optic modes of the high frequency OH-stretching band.

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Hydroxyl-stretching bands 'A' and 'Z' in Raman and infrared spectra of kaolinites

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