Abstract
The work presents selected lanthanide oxybromides such as GdOBr:Ce, LaOBr:Ce, YOBr:Ce and EuOBr:Ce as potential thermal neutron detection compounds in connection with Li-6 isotope. The oxybromides were prepared by solid-state synthesis and the crystallinity of compounds was determined by X-ray powder diffraction analysis. Subsequently, the study of radioluminescence spectra was performed to compare the light intensity of each compound. Furthermore, since the primary purpose is charged particles detection, e.g. alpha and Triton, the sensitivity of the compounds to alpha radiation was determined. In connection with fast decay time, high light yield and simple production it is possible to consider this group of scintillation phosphors as a potential substitute of ZnS:Ag in thermal neutron detection systems, to which all measured characteristics were compared to.
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