Towards a single crystal Raman spectrum of kaolinite at 77 K

Frost, Ray L. & Kloprogge, J. Theo (2001) Towards a single crystal Raman spectrum of kaolinite at 77 K. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 57(1), pp. 163-175.

View at publisher

Abstract

The Raman spectra at 77 K of the hydroxyl stretching of kaolinite were obtained along the three axes perpendicular to the crystal faces. Raman bands were observed at 3616, 3658 and 3677 cm−1 together with a distinct band observed at 3691 cm−1 and a broad profile between 3695 and 3715 cm−1. The band at 3616 cm−1 is assigned to the inner hydroxyl. The bands at 3658 and 3677 cm−1 are attributed to the out-of-phase vibrations of the inner surface hydroxyls. The Raman spectra of the in-phase vibrations of the inner-surface hydroxyl-stretching region are described in terms of transverse and longitudinal optic splitting. The band at 3691 cm−1 is assigned to the transverse optic and the broad profile to the longitudinal optic mode. This splitting remained even at liquid nitrogen temperature. The transverse optic vibration may be curve resolved into two or three bands, which are attributed to different types of hydroxyl groups in the kaolinite.

Impact and interest:

12 citations in Scopus
13 citations in Web of Science®
Search Google Scholar™

Citation counts are sourced monthly from Scopus and Web of Science® citation databases.

These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.

Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.

ID Code: 23073
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/S1386-1425(00)00345-0
ISSN: 1386-1425
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2001 Elsevier
Deposited On: 17 Jun 2009 13:39
Last Modified: 04 Sep 2009 04:53

Export: EndNote | Dublin Core | BibTeX

Repository Staff Only: item control page