掺Ce3+/Tb3+在硼磷酸盐玻璃闪烁体中用于超高分辨率同步加速器x射线成像的能量转移

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-09-17 DOI:10.1016/j.jlumin.2025.121559

F. Khrongchaiyaphum , N. Wantana , Y. Ruangtaweep , N. Chanthima , P. Pakawanit , C. Phoovasawat , H.J. Kim , N. Intachai , S. Kothan , J. Kaewkhao

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引用次数: 0

摘要

本研究采用常规熔淬法合成了Ce3+/Tb3+共掺杂硼磷酸盐玻璃。系统地研究了Ce3+和Tb3+离子在紫外和x射线激发下的发光特性和能量转移机制。其中，Ce: 4tb玻璃具有优异的闪烁性能，相对于SG101商用玻璃和Bi4Ge3O12 （BGO）晶体闪烁体，其积分闪烁效率分别达到约63%和61%。此外，它还实现了57.2 lp/mm的高空间分辨率，与商用YAG:Ce晶体的57.8 lp/mm分辨率相当。这些发现突出了Ce: 4tb玻璃在高级x射线成像应用中的巨大潜力。

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Energy transfer of Ce3+/Tb3+ doped in borophosphate glass scintillator for ultra high-resolution synchrotron X-ray imaging

In this study, Ce³⁺/Tb³⁺ co-doped borophosphate glasses were synthesized using the conventional melt-quenching method. The luminescent properties and energy transfer mechanisms between Ce³⁺ and Tb³⁺ ions were systematically investigated under both ultraviolet (UV) and X-ray excitation. Among the compositions, Ce:4 Tb glass exhibited excellent scintillation performance, with integral scintillation efficiencies reaching approximately 63 % and 61 % relative to commercial SG101 commercial glass and Bi₄Ge₃O₁₂ (BGO) crystal scintillators, respectively. In addition, it achieved a high spatial resolution of 57.2 lp/mm, comparable to the 57.8 lp/mm resolution of commercial YAG:Ce crystal. These findings highlight the strong potential of Ce:4 Tb glass for advanced X-ray imaging application.

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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.