Semiconductor Physics, Quantum Electronics & Optoelectronics, 26 (2), P. 236-241 (2023).
DOI: https://doi.org/10.15407/spqeo26.02.236

Study of low-energy gamma-ray detection performance of silicon photomultiplier with LaBr3(Ce) scintillator

K. Huseynzada1, A. Mammadli2,3, K. Isayev1,3, J. Naghiyev1, M. Holik4,5, V.V. Tryshyn6, S.I. Lyubchyk7, D.V. Pekur8*

1Nuclear Research Department of the Innovation and Digital Development Agency,
Ministry of Digital Development and Transport of the Republic of Azerbaijan,
Gobu Settl. of Absheron dist., Baku Shamakhy HW 20 km, AZ 0100 Baku, Azerbaijan
2Institute of Radiation Problems, Ministry of Science and Education, B. Vahabzade str., 9, AZ 1143 Baku, Azerbaijan,
3Innovative Electronics and Detectors LLC, Badamdard STQ-1, AZ1021 Baku, Azerbaijan
4Faculty of Electrical Engineering UWB, Univerzitní 26, 306 14, Pilsen, Czech Republic
5Institute of Experimental and Applied Physics CTU, Husova 240/5, 110 00 Prague, Czech Republic
6Institute for Nuclear Research, NAS of Ukraine, 47, prosp. Nauky, 03680 Kyiv, Ukraine
7Lusófona University, Campo Grande 376, Lisbon, Portugal
8V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, prosp. Nauky, 03680 Kyiv, Ukraine
*Corresponding author e-mail: demid.pekur@gmail.com


Abstract. Recent progress in the field of scintillators and silicon photomultipliers (SiPM) has allowed development of new scintillation detectors capable of detecting low-energy X- and gamma-ray sources that are widely used in medicine, security and industry. Such scintillation detectors are compact, insensitive to magnetic fields, have low operation voltages and are functional at room temperature. These advantages of SiPM are considered to solve the main problems facing scintillation detectors in medicine and industry today. Development of detectors of low-energy electromagnetic radiation is relevant now. Scintillation detectors based on lutetium fine silicate, LaBr3(Ce), NaI and silicon avalanche photomultipliers offer a great potential for use for X- and gamma-ray detection. The present work demonstrates the gamma-ray detection performance of a new micropixel avalanche photodiode (MAPD) array (16 (4×4) elements – 15×15 cm) with a LaBr3(Ce) scintillator (15×15×30 mm) using 177Lu and 133Ba isotopes as the gamma-ray sources.

Keywords:low-energy gamma-ray detection, silicon photomultiplier, LaBr3(Ce) scintillator.

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