Equivalent circuit of a silicon–lithium p–i–n nuclear radiation detector
Saymbetov A. Muminov R. Jing Z. Nurgaliyev M. Japashov N. Toshmurodov Y. Kuttybay N. Kapparova A. Zholamanov B. Orynbassar S. Koshkarbay N.
December 2023Nature Research
Scientific Reports
2023#13Issue 1
Nuclear radiation detectors are indispensable for research in the field of nuclear radiation, X-ray spectroscopy and other areas. Interest in silicon p–i–n detectors of nuclear radiation is increasing today due to the possibility of their operation under normal conditions. In this paper, an equivalent circuit of a silicon–lithium p–i–n nuclear radiation detector is proposed. The proposed circuit is obtained using the classical Shockley equation for silicon semiconductors and the telegraph equations. The parameters of the equivalent circuit were determined using the multiple regression method. As a result of simulation of the model in the MATLAB Simulink graphical development environment, the amplitude-frequency and phase-frequency characteristics of the proposed model were obtained. Using the Monte Carlo method, the alpha-decay of the uranium isotope 92233U , thorium isotope 90227Th and americium isotope 95241Am the alpha-decay spectrum was obtained. Obtained alpha-decay spectra coincides with the experimental data, presented in previous works of other authors.
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Al-Farabi Kazakh National University, Almaty, Kazakhstan
Physical-Technical Institute, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent, Uzbekistan
Al-Farabi Kazakh National University
Physical-Technical Institute
Tashkent Institute of Irrigation and Agricultural Mechanization Engineers
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