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Funct. Mater. 2018; 25 (4): 658-664.

doi:https://doi.org/10.15407/fm25.04.658

Mixed ZnSxSe1-x crystals for digital radiography detectors

O.G.Trubaieva1, M.A.Chaika2, W.Paszkowicz3

1Institute for Scintillation Materials, STC Institute for Single Crystals, National Academy of Sciences of Ukraine, 60 Nauky Ave., 61072 Kharkiv, Ukraine
2Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50422 Wroclaw, Poland
3Institute of Physics, Polish Academy of Sciences, 32/46 Lotnikow al., 02-668 Warsaw, Poland

Abstract: 

A possibility to use ZnSxSe1-x as a material for detection of X-ray and alpha particles has been studied. The influence of the sulphur content on the properties of ZnSxSe1-x crystals is analyzed. The bulk ZnSxSe1-x crystals were obtained by Bridgman-Stockbarger method. Six different plates cut off from the crystals with x from 0.07 to 0.39 were studied. It is found that intensity of X-ray luminescence spectra of ZnSxSe1-x plates increases with increasing sulfur content, reaching the maximum value for ZnS0.22Se0.78 composition. The scintillation light output of ZnSxSe1-x plates is shown to be higher than for commercial ZnSe(Te) and ZnSe(Al) crystals.

Keywords: 
ZnS<sub>x</sub>Se<sub>1-x</sub> bulk crystals, radiation detectors, alpha detector, scintillators, X-ray luminescence.
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