Abstract
This paper discusses the x-ray luminescence properties of Gd2O2S:Pr:Ce ceramic as a function of its chemical composition. It is established that heat treatment of the ceramic in air affects its x-ray luminescence parameters. A Gd2O2S:Pr:Ce ceramic has been fabricated that possesses weak phosphorescence—less than 20×10<sup>−6</sup> of the initial luminescence intensity in 500 ms.
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