Inorganic Scintillators Physical Properties

Material

Light yield (photons/keV)

Light ouput of NaI(Tl) (%)

Decay time (ns)

Wavelength of max emission lm(nm)

Refractive index at lm

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

Hardness (Mho)

Density (g/cm3)

Hygroscopic

BaF2

Barium Fluoride

1.8 fast

3 fast

0.6-0.8 fast

220 fast

1.54

1.9

3

4.88

slightly

10 slow

16 slow

630 slow

310 slow

1.5

BGO

Bismuth Germanate

8~10

15~20

300

480

2.15

1

5

7.13

no

CaF2(Eu)

Europium-doped Calcium Fluoride

19

50

940

435

1.47

2.9

4

3.18

no

CdWO4

Cadmium Tungstate

12~15

30~50

14000

475

2.2-2.3

1

4-4.5

7.9

no

CsI(Na)

Sodium activated Cesium Iodide

41

85

630

420

1.84

2

2

4.51

yes

CsI(Tl)

Thallium activated Cesium Iodide

54 standard

45 standard

1000

550

1.8

2

2

4.51

slightly

48 low afterglow

40 low afterglow

GAGG(Ce)

Cerium-doped Gadolinium Aluminium Gallium Garnet

54 high light output

—

<150

520

1.9

—

8

6.6

no

45 low afterglow

<70

30 fast decay time

 <50

42 balanced

<90

LaBr3(Ce)

Cerium- doped Lanthanum Bromide

63

165

20

380

1.9

1.8

2

5.1

yes

Li-6 Glass

—

12

53

416

—

—

—

2.3

no

LSO(Ce)

Cerium-doped Lutecium Silicate

27~30

75

40

420

1.82

1.15

5.8

7.4

no

LuAG(Ce)

Cerium-doped Lutetium Aluminum Garnet

25~30

20

50~70

510~550

1.84

1.3

8.5

6.73

no

LuAG(Pr)

Praseodymi-doped Lutetium Aluminum Garnet

16~20

—

20

310

—

—

8.5

6.73

no

LYSO(Ce)

Cerium-doped Lutetium Yttrium Silicate

~32

—

40~44

420

1.82

1.1

5.8

7.4

no

NaI(Tl)

Thallium activated Sodium Iodide

38

100

250

415

1.85

2.59

2

3.67

yes

Pure CsI

Pure Cesium Iodide

2

4~6

16

315

1.95

2

2

4.51

slightly

YAG(Ce)

Cerium- doped Yttrium Aluminum Garnet

~18

40

70

550

1.82

2

8.5

4.55

no

YAP(Ce)

Cerium- doped Yttrium Aluminum Perovskite

~25

—

28

370

1.95

2.7

8.5

5.4

no

YSO(Ce)

Cerium- doped Yttrium Silicate

~28

—

50~70

420

1.8

—

—

4.5

no