Luminescence and scintillation properties of ce-doped YAP and LuYAP crystals
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Publication Details
Author list: Phunpueok A., Chewpraditkul W., Limsuwan P., Wanarak C.
Publisher: Trans Tech Publications
Publication year: 2011
Volume number: 199-200
Start page: 1789
End page: 1795
Number of pages: 7
ISBN: 9783037850374
ISSN: 1022-6680
eISSN: 1662-8985
Languages: English-Great Britain (EN-GB)
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Abstract
The luminescence and gamma-ray detection properties of cerium-doped scintillators, namely, Lu0.3Y0.7AlO3:Ce (Lu0.3Y0.7AP:Ce), Lu0.7Y0.3AlO 3:Ce (Lu0.7Y0.3AP:Ce ), and YAlO3:Ce (YAP:Ce) were investigated. UV excitation and emission spectra of studied crystals were compared. The light yield and energy resolution were measured using photomultiplier tube (PMT) readout. The light yield non-proportionality and energy resolution versus gamma-ray energy were measured and the intrinsic resolution of the crystals was determined after correcting the measured energy resolution for PMT statistics. For 662 keV gamma rays (137Cs source), YAP: Ce showed the highest light yield of 28,500 ph/MeV and the best energy resolution of 4.4 % , while its photofraction is worst. ฉ (2011) Trans Tech Publications.
Keywords
Luminescene, YAP:Ce
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