掺杂稀土的氟化钙的热致发光光谱

IF 1.5 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
V. S. M. de Barros, M. E. Yamato, P. L. Guzzo, V. K. Asfora, C. N. P. Oliveira, H. J. Khoury
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引用次数: 0

摘要

本研究调查了各种掺杂 CaF2 材料暴露于电离辐射后的热致发光 (TL) 发射光谱。了解这些在相同烧结条件下系统生产的单一掺杂材料的 TL 光谱,有助于解释在天然萤石晶体中观察到的复杂 TL 光谱。采用燃烧合成法生产了掺杂 Ce3+、Tm3+、Tb3+、Dy3+、Er3+、Pr3+、Nd3+ 和 Yb3+ 的氟化钙。发射光谱线可归因于被困空穴中心与 RE2+ 重新结合时发生的 RE 转变。发射范围从紫外线到近红外。这项研究有助于为特定应用定制新材料,并将发射光与特定滤光片和用于检测的仪器相匹配。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Thermoluminescence Spectra of Rare-Earth Doped Calcium Fluoride

Thermoluminescence Spectra of Rare-Earth Doped Calcium Fluoride

This study investigates the thermoluminescence (TL) emission spectra of various doped CaF2 materials after exposure to ionizing radiation. The understanding of the TL spectra of these single-doped materials, systematically produced under the same sintering conditions, contributes to the interpretation of complex TL spectra observed in naturally occurring fluorite crystals. The production of Ce3+, Tm3+, Tb3+, Dy3+, Er3+, Pr3+, Nd3+, and Yb3+ doped calcium fluoride was carried out using the combustion synthesis method. The emission spectrum lines could be ascribed to the RE transitions that occur when a trapped hole center recombines with a RE2+. Emissions range from the ultra-violet to the near-infrared. This study aids in tailoring new materials for specific applications and the matching of emitted light to specific filters and instrumentation used for detection.

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来源期刊
Brazilian Journal of Physics
Brazilian Journal of Physics 物理-物理:综合
CiteScore
2.50
自引率
6.20%
发文量
189
审稿时长
6.0 months
期刊介绍: The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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