| 简介 |
A multi-element X-ray radiation detector consists of a flat multi-element scintillator in the form of a discrete set of hetero-phase luminescent elements which are arranged in the cells of a mesh made from a metal which absorbs X-ray radiation and reflects light, the increment size of which mesh corresponds to the increment size of the photo receiver matrix. The metallic mesh that forms the multi-element luminescent scintillator is made from elements having an atomic number from N=26 (iron) to N=74 (tungsten), has silver-plated coils, and separates the scintillator elements optically from one another. The process of synthesis is carried out in two stages. Oxyhalides of elements making up a cationic subgroup are formed by reacting an initial coprecipitated oxides of rare earth elements, Bi and Re, with ammonium halides. The resulting product is then subjected to repeated thermal treatment in an alkali chalcogenide melt. |
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