CeBr3 scintillation crystals offer an alternative to NaI(Tl) crystals for high resolution gamma

spectrometry. Above an energy of 200 keV, the resolution is superior to NaI(Tl). CeBr3

scintillation detectors do not suffer from the intrinsic La-138 background typical for Lahalide

scintillators.

Composition : CeBr3

Density : 5.2 g / cc

Maximum emission : 380 nm

Decay time (typical) : 18-20 ns

Size : up to 102 mm diameter, 152 mm length

Typical energy resolution ( FWHM) in % :

Energy ( keV)      NaI(Tl)      CeBr3

30            18           20

60            11           13

81            10           11

122           8.5           8

356            8            5

662            7            4

1332           5            3

2600           4            2