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Scintillator Crystals > Data Table

Material	Nal:Tl	Csl:Tl	CaF2:Eu	BaF2	BGO	YAG:Ce	YAP:Ce	GSO:Ce	CWO	PWO	NB:WO	ZnSe:Te	LAG:Ce
Physical Properties
Chemical Formula	Nal:Tl	Csl:Tl	CaF2:Eu	BaF2	Bi4(GeO4)	Y3Al5O12	YalO3	Gd2SiO5	CdWO4	PbWO4	NB(WO4)2	ZnSe:Te	Lu3Al5O7
Density g/cm3	3.67	4.51	3.18	4.89	7.13	4.57	5.37	6.71	7.9	8.28	7.57	5.42	6.73
Hardness-Moh	2	2	4	3	5	8.5	8.6	5.7	4.0-4.5	3.5-4.0	6
Hydroscopic	Yes	Slightly	No	No	No	No	No	-	No	No	No	-	-
Crystal Structure	Cubic	Cubic	Cubic	Cubic	Cubic	Cubic	Rhomb.	Mono.	Mono.	Tetra.	-	-	Cubic
Therm. Exp. - PPM	47.5	50	19.5	18.4	7.0	8-9	4-11	4-12	10.2	10.0
Melting Pt — Co	651	621	1360	1280	1050	1970	1875		1325	1125		1779
Luminescence Properties
Integrated Light Output (%Nal:Tl)	100	45	50	20/2	15-20	15	40	20-25	35-40	5 (of BGO)			15
Wave Length of Max. Emissions (nm)	415	550	435	325/220	480	550	370	440	490	430/520	540		525
Decay Constant n/s	230	900	940	630/0.6	300	70	25	30-60	5000	2/10/30	20		70
Afterglow (% at 6 ms)	0.5-5	<2	<0.3	-	<0.005	<0.005	<0.005	<0.005	0.1	-	-	<0.05	-
Radiation Length cm	2.9	1.86	3.05	2.03	1.1	3.5	2.7	1.38	1.06	0.85	0.98	-	-
Photon yield @ 300K - 103 pH/MeV	38	52	23	10	2-3	8	10	8-10	28	22.6-25.6	-	8	10

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