High-energy-resolution scintillator: Ce3+ activated LaCl3

descriptionPublicationkeyboard_double_arrow_right Article 04 Sep 2000 English Publisher:AIP PublishingJournal:Applied Physics Letters, volume 77, pages 1,467-1,468 (issn: 0003-6951, eissn: 1077-3118,

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Authors: E. V. D. van Loef; P. Dorenbos; C. W. E. van Eijk; K. Krämer; H. U. Güdel;

doi: 10.1063/1.1308053 , 10.1063/1.1385342

High-energy-resolution scintillator: Ce3+ activated LaCl3

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Abstract

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.

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