The influence of the Fe 2 O 3  content on the Raman spectra of sapphires | Zendy

Phan D. T. M. | Zendy; Häger T. | Zendy; Hofmeister W. | Zendy

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The influence of the Fe 2 O 3 content on the Raman spectra of sapphires

Author(s) -

Phan D. T. M.,

Häger T.,

Hofmeister W.

Publication year - 2017

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.5043

Subject(s) - raman spectroscopy , corundum , electron microprobe , sapphire , analytical chemistry (journal) , content (measure theory) , chemistry , mineralogy , physics , optics , environmental chemistry , mathematical analysis , laser , mathematics

In this paper, we study the influence of the Fe 2 O 3 content on the Raman spectra of sapphires by confocal micro Raman spectroscopy and Electron Probe Micro Analysis (EPMA) on a wide variety of sapphire samples collected from 18 different mining regions. Almost all of the samples have a basaltic origin, which is often characterized by a high Fe 2 O 3 content. The Raman peak positions of the two peaks at 418.3 cm −1 and 577.7 cm −1 shift in the investigated area linearly with the Fe 2 O 3 content. This correlation can be applied in, for example, estimating the Fe 2 O 3 content in sapphire or corundum in general and contributes in distinguishing sapphires from different origins. Copyright © 2016 John Wiley & Sons, Ltd.

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