Investigation of the Inductive-Resonant Interaction of Water Clusters in Fluorapatite Minerals Using Polarization IR and Raman Spectroscopy


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Polarization studies of the vibrational spectra of clusters (H2O)n in samples of single-crystal fluorapatite of different deposits were carried out by infrared (IR) spectroscopy and Raman spectroscopy. The IR and Raman spectra were measured for two orthogonal directions of the external excitation field: parallel and perpendicular to the c-channels in fluorapatite single crystals. Interpretation of the interaction of the external electromagnetic field with clusters of water situated in microvoids and microcracks of the crystal with the structural groups of F…HO of apatite is given in the framework of the dipole–dipole approximation. This interaction has an induction–resonance character (IR spectroscopy) caused by the transfer of vibrational excitation from the F…HO groups to (H2O)n clusters. In the case of Raman spectroscopy, the induction character of the excitation of (H2O)n clusters takes place due to the transfer of electron excitation from the F…HO groups.

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V. Zolotarev

National Research University of Information Technologies

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Email: VM-Zolotarev@mail.ru
俄罗斯联邦, St. Petersburg, 197101

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