Luminescent properties of natural barite: Evidence for its genesis
- Authors: Boroznovskaya N.N.1, Zyryanova L.A.1, Pekov I.V.2
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Affiliations:
- Tomsk State University
- Moscow State University
- Issue: Vol 471, No 1 (2016)
- Pages: 1171-1173
- Section: Geochemistry
- URL: https://journals.rcsi.science/1028-334X/article/view/189105
- DOI: https://doi.org/10.1134/S1028334X16110118
- ID: 189105
Cite item
Abstract
The study of radiation of intrinsic and impurity excitations in natural barite showed that the patterns of BaSO4 luminescence were mostly controlled by the presence of the [SO4] anion complex. Several types of self-radiation were registered including those at the expense of the presence of O2– ions of the axial and nonaxial configurations of the anionic group (emission bands within the wavelength ranges of 209–213 and 330–350 nm, respectively). Exitons located near the impurity and intrinsic defects largely participate in emission. Impurity defects participating in the luminescent centers of barite from the Ore Altai include Pb2+, Gd3+, Eu2+, Eu3+, Cu+, and Ag+ (under X-ray excitation). Variations in the spectral composition of barite indicate the different conditions of its formation.
About the authors
N. N. Boroznovskaya
Tomsk State University
Author for correspondence.
Email: boroznovskaya@mail.ru
Russian Federation, Tomsk
L. A. Zyryanova
Tomsk State University
Email: boroznovskaya@mail.ru
Russian Federation, Tomsk
I. V. Pekov
Moscow State University
Email: boroznovskaya@mail.ru
Russian Federation, Moscow