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Annealing effect in raman scattering of various types of tourmalines

Title
Annealing effect in raman scattering of various types of tourmalines
Authors
Hoang L.H.Hien N.T.M.Chen X.-B.Yang I.S.
Ewha Authors
양인상
SCOPUS Author ID
양인상scopus
Issue Date
2013
Journal Title
Journal of Applied Spectroscopy
ISSN
0021-9037JCR Link
Citation
vol. 79, no. 6, pp. 881 - 887
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Raman scattering studies of the annealing effect in spectra of seven natural tourmalines are presented. It was found that tourmalines containing Fe ions when annealed in air showed Raman features significantly different from those of the Fe-free minerals. Furthermore, tourmalines containing the Fe ions behaved differently depending on whether they were annealed in air or in argon. Our analysis indicated that these differences were mainly due to the Fe2+ ions present in the tourmalines. When Fe2+-tourmalines were annealed in air, the Fe2+ ions were oxidized into Fe3+ ions, and the oxidation strongly modified the crystal structure, even in tourmalines with a very low Fe2+ concentration (0.20 wt.%). Our finding may be helpful in studying the oxidation of other minerals which contain the Fe2+ ions. © 2013 Springer Science+Business Media New York.
DOI
10.1007/s10812-013-9689-4
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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