Role of electron and hole centers in energy transfer in BaBrI crystals
arXiv:1810.13291 · doi:10.1016/j.radmeas.2019.01.008
Abstract
In this paper we study a role of F-centers, hole centers and excitons in energy transfer in Eu-doped BaBrI crystals. Optical absorption spectra, thermally stimulated (TSL) and photostimulated (PSL) luminescence in wide temperature range 7-300 K are studied in undoped and doped with different concentrations of Eu ions BaBrI crystals. Based on experimental and calculated results two possible energy transfer processes from host to Eu ions are established.
5 pages, 4 figures, LUMDETR 2018 conference poster presentation, submitted to Radiation measurements