Comparative study on scintillation and luminescence of Terbium-doped LaB3O6 crystalline and glass materials

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-09-04 DOI:10.1016/j.jlumin.2025.121510

N.D. Ton , N.T. Luan , J.Y. Cho , E.J. Choi , D.W. Jeong , D. Joseph Daniel , H.J. Kim , S. Kothan , J. Kaewkhao

{"title":"Comparative study on scintillation and luminescence of Terbium-doped LaB3O6 crystalline and glass materials","authors":"N.D. Ton , N.T. Luan , J.Y. Cho , E.J. Choi , D.W. Jeong , D. Joseph Daniel , H.J. Kim , S. Kothan , J. Kaewkhao","doi":"10.1016/j.jlumin.2025.121510","DOIUrl":null,"url":null,"abstract":"<div><div>This study compares the scintillation and luminescence properties of terbium-doped lanthanum borate (LaB3O6: Tb) in crystalline and amorphous glass forms. Characteristic Tb3+ emissions arising from the 5D4 to 7F6–7F3 transitions were observed in both phases. The crystalline form exhibits intrinsic host luminescence peaking around 320 nm, attributed to the LaB3O6 matrix. In contrast, the glass form offers high optical transmittance in the 400–900 nm range, allowing detection of the weaker 5D3 to 7F6–7F4 transition of Tb3+. Synchrotron photoluminescence measurements at UVSOR reveal efficient host-to-Tb3+ energy transfer under vacuum-ultraviolet (VUV) excitation, explore new excitation bands, and clarify the origin of the intrinsic host emission. Scintillation performance varies with phase, reinforcing structure-dependent luminescence behaviors. These results highlight the critical role of the host matrix and its structure in governing energy transfer and emission dynamics, positioning LaB3O6: Tb as a promising material for UV photonics, scintillators, and UV-filtering applications.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"288 ","pages":"Article 121510"},"PeriodicalIF":3.6000,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Luminescence","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022231325004508","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}

引用次数: 0

Abstract

This study compares the scintillation and luminescence properties of terbium-doped lanthanum borate (LaB₃O₆: Tb) in crystalline and amorphous glass forms. Characteristic Tb³⁺ emissions arising from the ⁵D₄ to ⁷F₆–⁷F₃ transitions were observed in both phases. The crystalline form exhibits intrinsic host luminescence peaking around 320 nm, attributed to the LaB₃O₆ matrix. In contrast, the glass form offers high optical transmittance in the 400–900 nm range, allowing detection of the weaker ⁵D₃ to ⁷F₆–⁷F₄ transition of Tb³⁺. Synchrotron photoluminescence measurements at UVSOR reveal efficient host-to-Tb³⁺ energy transfer under vacuum-ultraviolet (VUV) excitation, explore new excitation bands, and clarify the origin of the intrinsic host emission. Scintillation performance varies with phase, reinforcing structure-dependent luminescence behaviors. These results highlight the critical role of the host matrix and its structure in governing energy transfer and emission dynamics, positioning LaB₃O₆: Tb as a promising material for UV photonics, scintillators, and UV-filtering applications.

查看原文本刊更多论文

掺铽LaB3O6晶体与玻璃材料的闪烁发光比较研究

本研究比较了掺铽硼酸镧（LaB3O6: Tb）在晶体和非晶玻璃形态下的闪烁和发光特性。从5D4到7F6-7F3的转变，在两个相中都观察到特征性的Tb3+发射。晶体形式表现出固有的主发光峰，约320 nm，归因于LaB3O6基体。相比之下，玻璃形式在400-900 nm范围内提供了高的光学透过率，允许检测较弱的Tb3+的5D3到7F6-7F4跃迁。UVSOR的同步光致发光测量揭示了真空紫外（VUV）激发下宿主到tb3 +的有效能量传递，探索了新的激发带，并阐明了宿主固有发射的起源。闪烁性能随相位变化，增强了结构依赖的发光行为。这些结果突出了宿主基质及其结构在控制能量转移和发射动力学中的关键作用，将LaB3O6: Tb定位为UV光子学，闪烁体和UV过滤应用的有前途的材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.