KTbGdF Nano-Glass Composite Scintillator with Excellent Thermal Stability and Record X-Ray Imaging Resolution
Laser and Photonics Reviews, ISSN: 1863-8899
2025
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Scintillators exhibiting both excellent spatial resolution and thermal stability are highly sought after. Herein, by employing a suite of techniques—including phase-separation-assisted crystallization, energy transfer, and compensation—Tb-doped nano-glass composite (nano-GC) scintillators are developed with good scintillation performance. The Tb-doped nano-GC scintillator exhibits an unprecedented enhancement in the integrated intensity of X-ray excited luminescence (XEL) by more than five times, as compared with BiGeO (BGO) crystal. It achieves an estimated light yield of 54 900 photons MeV and a sensitivity of 635.31 nGy s. An X-ray imaging system based on the Tb-doped nano-GC scintillator delivers a record resolution of 28.7 lp mm at room temperature and 28.1 lp mm even at 500 °C, thanks to the excellent thermal stability, namely, the scintillator preserves the original XEL intensity up to 300 °C, and ≈73% at 500 °C. The heat resistance excels currently available high-temperature scintillation materials. These attributes, combined with robust moisture resistance, position the developed nano-GC scintillator an exceptionally promising candidate for high-temperature X-ray imaging used in harsh environments.
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