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| 001 | 627275 | ||
| 005 | 20250723105902.0 | ||
| 024 | 7 | _ | |a 10.1016/j.omx.2024.100392 |2 doi |
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| 100 | 1 | _ | |a Kumarbekov, Kuat K. |0 P:(DE-H253)PIP1106428 |b 0 |
| 245 | _ | _ | |a Temperature-dependent luminescence of europium-doped Ga$_2$O$_3$ ceramics |
| 260 | _ | _ | |a Amsterdam |c 2025 |b Elsevier |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a This study explores the synthesis and luminescent properties of europium-doped gallium oxide (Ga$_2$O$_3$:Eu) ceramics fabricated via electron beam-assisted synthesis (EBAS) at 1.4 MeV. The resulting Ga$_2$O$_3$:Eu ceramicsexhibit a nanocrystalline structure with an average crystallite size of ~30 nm, high crystallinity, and minimal lattice strain (<0.5 %). Luminescence analysis from 4 K to 300 K reveals both intrinsic and europium-induced emissions. While intrinsic Ga$_2$O$_3$ emission exhibits thermal quenching above 100 K, Eu$^{3+}$-related emissions, notably the 611 nm red emission, show thermal stability, retaining ~90 % of their intensity at 300 K. Additionally, a novel low-temperature emission peak at 1.74 eV, potentially associated with electron beam-induced defects, was detected, meriting further exploration. These findings indicate that Ga$_2$O$_3$:Eu ceramics synthesized via EBAS hold promise for optoelectronic, radiation detection, and high-temperature applications, given their rapid production and enhanced thermal stability. |
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| 700 | 1 | _ | |a Kakimov, Askhat B. |0 P:(DE-H253)PIP1109444 |b 1 |e Corresponding author |
| 700 | 1 | _ | |a Karipbayev, Zhakyp |0 P:(DE-H253)PIP1105936 |b 2 |e Corresponding author |
| 700 | 1 | _ | |a Kassymzhanov, Murat T. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Brik, Mikhail G. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Ma, Chong-geng |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Piasecki, Michał |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Suchikova, Yana |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Kemere, Meldra |0 P:(DE-H253)PIP1107296 |b 8 |
| 700 | 1 | _ | |a Konuhova, Marina |0 P:(DE-H253)PIP1109417 |b 9 |
| 773 | _ | _ | |a 10.1016/j.omx.2024.100392 |g Vol. 25, p. 100392 - |0 PERI:(DE-600)2965606-0 |p 100392 |t Optical materials: X |v 25 |y 2025 |x 2590-1478 |
| 856 | 4 | _ | |u https://www.sciencedirect.com/science/article/pii/S2590147824001049 |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/627275/files/Kakimov_1-s2.0-S2590147824001049-main.pdf |y OpenAccess |
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