Spectral and Cathodoluminescence Decay Characteristics of the Ba1−xCexF2+x (x = 0.3–0.4) Solid Solution Synthesized by Precipitation from Aqueous Solutions and Fusion; Photonics; Vol. 10, iss. 9
| Parent link: | Photonics.— .— Basel: MDPI AG Vol. 10, iss. 9.— 2023.— Article number 1057, 14 p. |
|---|---|
| Korporativní autor: | National Research Tomsk Polytechnic University (570) |
| Další autoři: | Kuznetsov S. V. Sergey Vladimirovich, Yasyrkina D. S. Darjya Semenovna, Valiev D. T. Damir Talgatovich, Stepanov S. A. Sergey Aleksandrovich, Aleksandrov A. A. Aleksandr Aleksandrovich, Batygov S. Kh. Sergey Khacheturovich, Voronov V. V. Valery Veniaminovich, Konyushkin V. A. Vasily Andreevich, Nakladov A. N. Andrey Nikolaevich, Ermakova Yu. A. Yuliya Aleksandrovna, Fedorov P. P. Pavel Pavlovich |
| Shrnutí: | Title screen Single-phase samples of the Ba1−xCexF2+x solid solution (x = 0.3–0.4) were synthesized by directional crystallization in the form of single crystals and by co-precipitation from aqueous nitrate solutions using potassium fluoride as a fluorinating agent in the form of nanopowders. The cathodoluminescence of the pressed powder samples was studied in comparison with the BaF2: Ce single crystals in 250–460 nm (2.7–5 eV) spectral range upon excitation by an electron accelerator. The cathodoluminescence spectra of the samples revealed a wide band in the range of 3.0–4.0 eV, which consists of two typical components of Ce3+ with decay time 23 ns in the case of single crystals and three decay times 27 ns, 140–170 ns, and ~600 ns in the case of pressed powders. The decay time of the short-wavelength component (27 ns) in the case of pressed powders is close to the lifetime of the excited state of the Ce3+ ion. The developed X-ray phosphors can be applied for embedding in diamonds for diamond–nanoparticle composite preparation Текстовый файл |
| Jazyk: | angličtina |
| Vydáno: |
2023
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| Témata: | |
| On-line přístup: | http://earchive.tpu.ru/handle/11683/132505 https://doi.org/10.3390/photonics10091057 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=675461 |
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