Abstract

The experimental results of radiation-optical studies of yttrium-aluminum garnet (YAG) crystals, non-activated and activated by rare earth ions (Y3Al5O12—TR3+), as well as phosphate glasses activated by Nd3+ ions are presented. It is shown that the main mechanisms of phonon scattering on point defects play a role in changing the radio- and thermoluminescence spectra. Keywords: radiation-optical, phosphate glass, impurity, rare-earth element, yttrium-aluminum garnet, point defect, thermoluminescence.

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