掺钕 BaO-Bi2O3-P2O5 玻璃的近红外闪烁特性

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2024-10-05 DOI:10.1016/j.jnoncrysol.2024.123247

Keita Miyajima, Akihiro Nishikawa, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida

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引用次数: 0

摘要

我们采用熔淬技术合成了不同钕浓度的 BaO-Bi2O3-P2O5 玻璃样品。浓度分别为 1.0%、5.0%、10%、15% 和 20%。我们获得了掺钕浓度为 1.0%-10%的透明均匀样品。掺杂 15% Nd 的样品不均匀，而掺杂 20% Nd 的样品含有结晶相。研究了掺杂 1.0-10 % Nd 的样品的光致发光（PL）和闪烁特性。样品在近红外区域显示出光致发光和闪烁峰，这是由于 Nd3+ 的 4f-4f 转变引起的。我们测试了样品的 X 射线剂量率响应函数。在所有样品中，掺杂 10% Nd 的样品显示出最强烈的响应，在我们的装置中，剂量率的检测下限为 0.06 Gy/h。

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Near‐infrared scintillation properties of Nd-doped BaO-Bi2O3-P2O5 glasses

We synthesized BaO-Bi₂O₃-P₂O₅ glass samples with different Nd concentrations by the melt-quenching technique. The concentrations were 1.0, 5.0, 10, 15, and 20 %. We obtained transparent and homogeneous samples for 1.0–10 % Nd concentrations. The 15 % Nd-doped sample was inhomogeneous, and the 20 % Nd-doped sample contained a crystalline phase. The photoluminescence (PL) and scintillation properties of the 1.0–10 % Nd-doped samples were investigated. The samples showed PL and scintillation peaks in the near-infrared region, which were due to 4f–4f transitions of Nd³⁺. We tested the X-ray dose rate response functions of the samples. The 10 % Nd-doped samples showed the most intensive response among the examined samples, and the lower detection limit of dose rate was 0.06 Gy/h with our setup.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.