High-energy-resolution scintillator: Ce3+ activated LaCl3

The scintillation properties of LaCl3 doped with 10% Ce3+ are presented. Under optical and gamma ray excitation, Ce3+ emission is observed to peak at 330 and 352 nm. The scintillation light output is 46 000±1000 photons/MeV at 662 keV. Forty percent is emitted with a decay time of 26 ns, 30% with 21...

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Veröffentlicht in:Applied physics letters 2000-09, Vol.77 (10), p.1467-1468
Hauptverfasser: van Loef, E. V. D., Dorenbos, P., van Eijk, C. W. E., Krämer, K., Güdel, H. U.
Format: Artikel
Sprache:eng
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Zusammenfassung:The scintillation properties of LaCl3 doped with 10% Ce3+ are presented. Under optical and gamma ray excitation, Ce3+ emission is observed to peak at 330 and 352 nm. The scintillation light output is 46 000±1000 photons/MeV at 662 keV. Forty percent is emitted with a decay time of 26 ns, 30% with 210 ns, and 30% with about 1000 ns. An energy resolution (full width at half maximum over the peak position) of 3.3±0.3% was observed for the 662 keV full absorption peak.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1308053