Abstract
The article describes the process and parameters of growing CsI:Sm2+ single crystals by the Czochralski method. Spectroscopic studies of the CsI:Sm2+ single crystal have been carried out; it has been established that samarium ions enter the caesium iodide single crystal in the divalent state. At room temperature, luminescence is observed corresponding to the 4f55d1-4f6 transitions of divalent samarium; on cooling, only radiative 4f6-4f6 transitions are observed. The temperature dependence of the luminescence has been measured, the barrier energy has been determined, and the decay times of the luminescence have been measured.
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