The Growth and Scintillation Characteristics of CsI:CO $_{3}$ Single Crystals
2009
We present the luminescent and scintillation characteristics of CsI:CO 3 single crystals. The CsI:CO 3 single crystals were grown by using Czochralski method for different concentrations of CO 3 from 0.007 to 0.1 mole%. The crystals were cut into a size of 10 mm times 10 mm times 5 mm. The luminescent characteristics were measured with X-rays to study the emission spectra of the CsI:CO 3 crystals. The scintillation properties of the CsI:CO 3 crystals such as fluorescence decay time, energy resolution, pulse height spectra, proportionality, and relative light output were studied by using various gamma-ray sources with a photomultiplier tube (PMT) at room temperature. The absolute light outputs of the crystals were also measured with an avalanche photo-diode (APD).
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