Effect of Ionizing Radiation on the Local Environment of Cerium-Related Emission Centers in Gd2SiO5:Ce Crystals

— We have studied absorption and luminescence spectra of gamma- and neutron-irradiated cerium-doped gadolinium oxyorthosilicate (Gd 2 SiO 5 :Ce) crystals. The results demonstrate that irradiation of the crystals removes oxygen ions from nine-coordinate oxygen structures around the silicon ions, incr...

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Bibliographic Details
Published in:Inorganic materials 2021-10, Vol.57 (10), p.1047-1051
Main Authors: Nuritdinov, I., Esanov, Z. U., Saidakhmedov, K. Kh
Format: Article
Language:English
Subjects:
Cerium
Chemistry
Chemistry and Materials Science
Crystal structure
Emission analysis
Gadolinium
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Ionizing radiation
Irradiation
Materials Science
Oxygen ions
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Summary:— We have studied absorption and luminescence spectra of gamma- and neutron-irradiated cerium-doped gadolinium oxyorthosilicate (Gd 2 SiO 5 :Ce) crystals. The results demonstrate that irradiation of the crystals removes oxygen ions from nine-coordinate oxygen structures around the silicon ions, increasing the number of seven-coordinate structures and transforming Ce1 centers into Ce2.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168521100095