Physical Properties of Inorganic Scintillators

Material

Light yield (photons/keV)

Light ouput(%) of NaI(Tl)

Temperature coefficient of light output(%/C) 25oC to 50oC

Decay time(ns)

Wavelength of max emission lm(nm)

Refractive index at lm

Thickness to stop 50% of 662 keV photons (cm)

Thermal expansion (/C)x10-6

Hardness (Mho)

Density (g/cm3)

Hygroscopic

LYSO(Ce)

Cerium-doped Lutetium Yttrium Silicate

30

75

-0.28

40~44

420

1.82

1.1

5.8

7.4

no

YAG(Ce)

Cerium- doped Yttrium Aluminum Garnet

8

15

70

550

1.82

2

~8

8.5

4.55

no

YAP(Ce)

Cerium- doped Yttrium Aluminum Perovskite

25

70

28

370

1.95

8.6

5.4

no

BGO

Bismuth Germanate

8~10

20

-1.2

300

480

2.15

1

7

5

7.13

no

CsI(Tl)

Thallium activated Cesium Iodide

54

45

0.01

1000

550

1.79

2

54

2

4.51

slightly

CsI(Na)

Sodium activated Cesium Iodide

41

85

-0.05

630

420

1.84

2

49

2

4.51

yes

NaI(Tl)

Thallium activated Sodium Iodide

38

100

-0.3

250

415

1.85

2.5

47.7

2

3.67

yes

LaBr3(Ce)

Cerium- doped Lanthanum Bromide

63

165

0

16

380

~1.9

1.8

8

— 

5.08

yes

YSO(Ce)

Cerium- doped Yttrium Silicate

25

70

50~70

420

1.8

4.5

no

CdWO4

Cadmium Tungstate

12~15

30~50

-0.1

14000

475

~2.3

1

10.2

4-4.5

7.9

no

GAGG(Ce)

Cerium-doped Gadolinium Aluminium Gallium Garnet

>50

140

90

540

1.9

8.0

6.63

no

LuAG(Ce)

Cerium-doped Lutetium Aluminum Garnet

15

20

80

510

1.84

8.8

8.5

6.73

no

LuAG(Pr)

Praseodymi-doped Lutetium Aluminum Garnet

22~23

22

310

6.73

no

LuAP(Ce)

Cerium-doped Lutetium Aluminium Perovskite

11

16~18

305

8.34

no

CaF2(Eu)

Europium-doped Calcium Fluoride

19

50

-0.33

940

435

1.47

2.9

19.5

4

3.18

no

BaF2

Barium Fluoride

1.8

3

0

0.6-0.8

220(195)

1.54

1.9

18.4

3

4.88

slightly

10

16

-1.1

630

310

1.50

1.9

18.4

3

4.88

slightly