| Autor: |
Muminov, R. A., Radzhapov, S. A., Mullagalieva, F. G., Radzhapov, B. S., Zufarov, M. A. |
| Předmět: |
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| Zdroj: |
Atomic Energy; Apr2022, Vol. 131 Issue 6, p354-357, 4p |
| Abstrakt: |
The manufacturing technology of a highly sensitive detector, 50 mm in diameter, with a 100–120 μm thick sensitive region based on α-Si–p-i-n structures is described. Lithium diffusion was conducted in order to create a p-n junction on p-silicon. After lithium has drifted through the entire thickness the diffusion layer is removed, so that the thickness of the 'dead' layer of the output window decreased. The advantages of the developed detector are low operating voltage and relatively low energy losses in the input and output windows ~6–12 keV and ~12–20 keV, respectively, which ensures that the volume activity of α particles is measured in the 2π geometry. The energy resolution of the 7.65 MeV 226Ra α-particles is less than 90 keV. The measured concentration of soil-air radon is given. The change in radon concentration, temperature, and humidity over time is shown. The measurements were performed in real time. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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