Spectroscopy and Spectral Analysis, Volume. 42, Issue 4, 1064(2022)
The Research of Polarized Energy Dispersive X-Ray Fluorescence for Measurement Trace Cadmium by Geant4 Simulation
Figures & Tables(11)
Fig. 2. Comparison of experimental primary spectrum and GEANT4 with 50kV tube voltage
Fig. 4. Fluorescence detection efficiency of different anode target
Fig. 6. Comparison of primary X-ray active sample and secondary target
Fig. 8. Spectra of BaSO4 secondary target at different tube voltage
Table 1. SNR of secondary target with different thicknesses at 50 kV tube voltage
View tableView in ArticleTable 1. SNR of secondary target with different thicknesses at 50 kV tube voltage
厚度/μm 峰面积 SNR 厚度/μm 峰面积 SNR 10 0.176 18.539 80 0.314 21.434 20 0.238 20.045 100 0.319 18.298 30 0.273 18.798 150 0.325 18.344 40 0.289 20.515 200 0.326 17.677 60 0.307 20.585 300 0.325 18.654
Table 2. SNR of different tube voltages at 200 μm secondary target
View tableView in ArticleTable 2. SNR of different tube voltages at 200 μm secondary target
电压/kV 峰面积 SNR 50 0.326 17.677 55 0.353 18.186 60 0.376 18.884 65 0.389 20.366 70 0.398 23.665
Table 3. Peak-to-background of different tube voltage
View tableView in ArticleTable 3. Peak-to-background of different tube voltage
电压/kV 峰面积 峰背比 50 6 430 14.179 55 7 730 15.276 60 8 733 17.275 65 9 434 19.512 70 9 494 21.431
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Zhou-xuan OUYANG, Ying-jie MA, Dou-dou LI, Yi LIU. The Research of Polarized Energy Dispersive X-Ray Fluorescence for Measurement Trace Cadmium by Geant4 Simulation[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1064
Paper Information
Category: Research Articles
Received: Mar. 13, 2021
Accepted: --
Published Online: Jul. 25, 2023
The Author Email: OUYANG Zhou-xuan (962400101@qq.com)
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