OPTICAL AND X-RAY SPECTROSCOPY OF COLOR CENTERS IN CERIUM-DOPED YTTRIUM‒ALUMINUM GARNET

A. V. Butashin; Буташин А. В.; I. D. Venevtsev; Веневцев И. Д.; V. A. Fedorov; Федоров В. А.; A. E. Muslimov; Муслимов А. Э.; E. V. Antonov; Антонов Е. В.; A. N. Deryabin; Дерябин А. Н.; V. B. Kvartalov; Кварталов В. Б.; V. M. Kanevskii; Каневский В. М.

doi:10.31857/S0023476123600234

OPTICAL AND X-RAY SPECTROSCOPY OF COLOR CENTERS IN CERIUM-DOPED YTTRIUM‒ALUMINUM GARNET

Autores: Butashin A.V.¹, Venevtsev I.D.², Fedorov V.A.¹, Muslimov A.E.³, Antonov E.V.¹, Deryabin A.N.¹, Kvartalov V.B.⁴, Kanevskii V.M.⁴
Afiliações:
1. Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
2. Peter the Great St. Petersburg Polytechnic University, St. Petersburg, 195251 Russia
3. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”Russian Academy of Sciences, Moscow, 119333 Russia
4. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Edição: Volume 68, Nº 4 (2023)
Páginas: 594-599
Seção: ФИЗИЧЕСКИЕ СВОЙСТВА КРИСТАЛЛОВ
URL: https://rjeid.com/0023-4761/article/view/673401
DOI: https://doi.org/10.31857/S0023476123600234
EDN: https://elibrary.ru/IJSQEG
ID: 673401

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Resumo

Yttrium‒aluminum garnet single crystals, including cerium-doped ones, have been grown from melt by Bagdasarov’s method. A comparative spectroscopy study of garnet single crystals and specially prepared ceramics of the same composition has been carried out. The comparative analysis suggests that an increase in the concentration of cerium ions in the garnet crystals improves the spectral-luminescence and scintillation characteristics of the latter and facilitates effective quenching of the substrate luminescence. Ways of optimizing the synthesis conditions to improve the efficiency of scintillators based on {Y_1-xCe_x}₃Al₅O₁₂ garnet crystal have been proposed.

Palavras-chave

COLOR CENTERS, YTTRIUM‒ALUMINUM GARNET, OPTICAL AND X-RAY SPECTROSCOPY

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