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

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Abstract

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 {Y1-xCex}3Al5O12 garnet crystal have been proposed.

About the authors

A. V. Butashin

Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Email: amuslimov@mail.ru
Россия, Москва

I. D. Venevtsev

Peter the Great St. Petersburg Polytechnic University, St. Petersburg, 195251 Russia

Email: amuslimov@mail.ru
Россия, Санкт-Петербург

V. A. Fedorov

Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Email: amuslimov@mail.ru
Россия, Москва

A. E. Muslimov

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”Russian Academy of Sciences, Moscow, 119333 Russia

Email: amuslimov@mail.ru
Россия, Москва

E. V. Antonov

Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Email: amuslimov@mail.ru
Россия, Москва

A. N. Deryabin

Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Email: amuslimov@mail.ru
Россия, Москва

V. B. Kvartalov

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Email: kvartalov@gmail.com
Россия, Москва

V. M. Kanevskii

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia

Author for correspondence.
Email: kvartalov@gmail.com
Россия, Москва

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