Scintillation properties of Eu-doped Al2O3-SiO2 glasses prepared by melt-quenching method

IF 3.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Solid State Sciences Pub Date : 2025-02-01 DOI:10.1016/j.solidstatesciences.2024.107812

Akihiro Nishikawa , Daiki Shiratori , Shiyu Rim , Takumi Kato , Daisuke Nakauchi , Noriaki Kawaguchi , Takayuki Yanagida

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Abstract

In this study, we prepared the Eu-doped 10Al₂O₃-90SiO₂ glasses with different Eu concentrations (0.1, 0.3, 1.0, and 3.0 %) and investigated the photoluminescence (PL) and scintillation properties. All samples showed the Eu²⁺ and Eu³⁺ luminescence peaks at around 450 and 600 nm, respectively. The quantum yield monitored Eu²⁺ luminescence decreased from 82.7 to 2.3 % with increasing Eu concentration. Scintillation peaks of Eu²⁺ and Eu³⁺ were observed at around 450 and 600 nm, the same as PL. We measured pulse height spectra to estimate light yields (LY). All samples indicated the full-energy absorption peaks, and especially the 0.3 % Eu-doped sample had the highest LY (1400 photons/5.5 MeV) among all samples. The energy resolution and α/γ ratio of the 0.3 % Eu-doped sample were 13 % and 0.3, respectively.

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熔淬法制备掺铕Al2O3-SiO2玻璃的闪烁特性

在本研究中，我们制备了不同Eu浓度（0.1,0.3,1.0和3.0%）的掺Eu 10Al2O3-90SiO2玻璃，并研究了其光致发光（PL）和闪烁性能。所有样品的Eu2+和Eu3+发光峰分别位于450 nm和600 nm左右。监测的Eu2+发光量子产率随Eu浓度的增加从82.7%下降到2.3%。Eu2+和Eu3+的闪烁峰在450和600 nm左右，与PL相同。我们测量了脉冲高度光谱来估计光产率（LY）。所有样品均出现了全能吸收峰，其中以掺铕0.3%样品的LY最高（1400光子/5.5 MeV）。0.3%铕掺杂样品的能量分辨率和α/γ比分别为13%和0.3。

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来源期刊

Solid State Sciences 化学-无机化学与核化学

CiteScore

6.60

自引率

2.90%

发文量

214

审稿时长

27 days

期刊介绍： Solid State Sciences is the journal for researchers from the broad solid state chemistry and physics community. It publishes key articles on all aspects of solid state synthesis, structure-property relationships, theory and functionalities, in relation with experiments. Key topics for stand-alone papers and special issues: -Novel ways of synthesis, inorganic functional materials, including porous and glassy materials, hybrid organic-inorganic compounds and nanomaterials -Physical properties, emphasizing but not limited to the electrical, magnetical and optical features -Materials related to information technology and energy and environmental sciences. The journal publishes feature articles from experts in the field upon invitation. Solid State Sciences - your gateway to energy-related materials.