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19 December 2022 Luminescence and scintillation characteristics of LYSO:Ce dosimeter for low dose x-ray
Luchuan Zheng, Chao Xu, Yongkang Cheng, Taiqi Wang, Yuheng Yan, Changfeng Zhang, Qiang Guo, Gang-ding Peng
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Proceedings Volume 12321, Advanced Sensor Systems and Applications XII; 123210R (2022) https://doi.org/10.1117/12.2640849
Event: SPIE/COS Photonics Asia, 2022, Online Only
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Abstract
Cerium-doped lutetium yttrium oxyorthosilicate (Lu1-xYx)2SiO5:Ce crystal powders were synthesized by co-precipitation method. The properties of LYSO:Ce powders with Y3+ concentration and Ce3+ concentration were investigated using X-ray diffraction (XRD) and photoluminescence (PL). XRD results show that LYSO:Ce powder samples with different Y3+ concentration have the same crystal phase to compare with the crystal standard card. PL results show that LYSO:Ce powder has better luminescence performance when Y3+ concentration is 15 mol%. The luminescence and scintillation characteristics of the dosimeters were founded under X-ray irradiation with low dose rate of 2.284 Gy/min and compared with the dosimeter without LYSO:Ce powder material. The luminescence and scintillation properties of LYSO:Ce dosimeter indicate promising potential applications in real time remote low dose X-ray radiotherapy and radiation monitoring.
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Luchuan Zheng, Chao Xu, Yongkang Cheng, Taiqi Wang, Yuheng Yan, Changfeng Zhang, Qiang Guo, and Gang-ding Peng "Luminescence and scintillation characteristics of LYSO:Ce dosimeter for low dose x-ray", Proc. SPIE 12321, Advanced Sensor Systems and Applications XII, 123210R (19 December 2022); https://doi.org/10.1117/12.2640849
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KEYWORDS
Luminescence
X-rays
Scintillation
Radiation effects
X-ray optics
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