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Information × Registration Number 0126U000580, R & D request Title Research on the emission of electrons and photons from amorphous and single-crystal materials when irradiated with electrons with an energy of 10-30 MeV, and semiconductor radiation detectors based on chalcogenide spinels. Head Yurii Kazarinov, Кандидат фізико-математичних наук Registration Date 22-01-2026 Organization National Science Center "Kharkiv Institute of Physics and Technology" popup.description1 The study of processes accompanying the passage of energetic particles (in particular electrons) through matter is important both for the development of a fundamental understanding of the interaction of elementary particles with matter and for the use of the obtained data in measurement techniques and technological applications. Since direct measurement of energy losses for most materials and primary beam energies in the range of 10-30 MeV is currently impossible, data from the radiation of photons and electrons from matter will be used. To broaden the scope of the analysis, research will be conducted for a wide range of elements from beryllium to gold and, if possible, with different sample thicknesses, which affect the emission coefficients of secondary electrons of different origins in different ways. The phenomenon of high-energy electron channeling in single crystals has been studied at energies of GeV and above, but there are no experimental data for intermediate energies. The influence of orientation effects on the emission properties has been established, but how exactly the energy loss spectrum (mainly ionization losses) is related to radiation has not been established. Since the energy range of the LPE-30 accelerator overlaps the Giant Dipole Resonance, this makes it possible to study the influence of nuclear reactions and target activation on their electron emission properties within the limits of the developed research methods. For 9Be, whose photo-fission threshold is only 1.57 MeV at electron and bremsstrahlung photon energies greater than 10 MeV, this can affect both electron emission and the radiation-mechanical stability of beryllium components in electron vacuum devices. Conducting research on radiation and in radiation conditions requires the use of appropriate detectors. In addition to common silicon- and germanium-based detectors, detectors based on heavier elements, such as CdTe, are widely used to register particles with higher energies. popup.nrat_date 2026-01-22 Close