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Inorganic Scintillators

Inorganic scintillators include materials such as LYSO (Ce), GAGG (Ce), LuAG (Ce), YAG (Ce), BGO, CsI (Tl), CsI (Na), NaI (Tl) etc. These materials have found wide use in such diverse technological areas as medical radiology (PET), high-energy physics, nondestructive testing, and transportation security, and are becoming even more ubiquitous with each passing year. If you want to inquire about the inorganic scintillator price or if you want to purchase inorganic scintillators, contact OST Photonics now, we are the most professional scintillator manufacturer.

Types of Inorganic Scintillators for Radiation Detection Systems

Physical Properties of Inorganic Scintillators for Radiation Detection Systems




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

2.4 fast

4 fast

0.6 fast

220 fast

1.54

1.9

3

4.89

slightly

12.5 slow

20 slow

620 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

2.3

1

4.5

7.9

no

CsI(Na)

Sodium activated Cesium Iodide

41

85

630

420

1.8

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 high light output

520

1.9

8

6.6

no

45 low afterglow<70 low afterglow
30 fast decay time
<50 fast decay time
42 balanced<90 balanced

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

26

75

40

420

1.82

1.15

5.8

7.4

no

LuAG(Ce)

Cerium-doped Lutetium Aluminum Garnet

25

20

70

535

1.84

1.3

8.5

6.73

no

LuAG(Pr)

Praseodymi-doped Lutetium Aluminum Garnet

22~23

22

310

8

6.73

no

LYSO(Ce)

Cerium-doped Lutetium Yttrium Silicate

32 standard

75 standard

40~44 standard

420

1.82

1.1

5.8

7.4

no

29 fast decay time

68 fast decay time

32~34 fast decay time

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

30

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

70

50~70

420

1.8

4.45

no



OST Photonics Popular Types of Inorganic Scintillators For Sale




FAQs of Inorganic Scintillators for Radiation Detection Systems

What is the difference between the light yield and the relative light output of the scintillator?

The light yield is defined as the ratio of the total number of photons emitted by the scintillator to the incident radiation energy absorbed by the scintillator. It can be seen from the definition that the measurement of light yield involves accurate measurement of photon number emitted by scintillator. Considering the factors such as light collection efficiency and sensitivity of measuring instrument, the measurement of light yield is too complicated and the measurement accuracy is not high. In practical application, relative light output is more used. The relative light output is defined as the relative value given by comparing the light output value of the measured scintillator with the standard scintillator sample. For example, taking the same size NaI (Tl) scintillator as the standard, measure the relative ratio of the full-energy peak site of the energy spectrum of the scintillator tested excited by the radioactive source of 137Cs at 662keV γ-ray under the same measurement conditions.


How to determine which scintillator is most suitable?

The selection of scintillator should be based on the type, energy and intensity of the radiation need to be detected, as well as the match degree with the photodetector, taking into account the cost and operating environment (temperature, humidity, mechanics, etc.) and other factors.

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