Crystal scintillators are specially grown for a variety of different applications. An excellent crystal should be dense, bright and fast.
High density and high atomic number increases the chance of gamma-ray interaction. Bright means more visible light is produced per unit energy absorbed and so detection is easier. Fast produces shorter pulses which enables faster data acquisition. There is no perfect scintillator so we supply a variety of crystal scintillators for different applications.
Luxium Solutions (previously Saint Gobain Crystals) are the premier scintillation detection manufacture for ionizing radiation detection and provide high quality scintillation materials with superior resolution and advanced photo-sensor integration. Their core technology is the manufacturer of high performance engineering materials to solve their customers’ unique challenges. Luxium Solutions and Mi-Net have been working together in the UK and Ireland for over 30 years.
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| Scintillator | Comments | Light yield (photons/keV) | Light ouput(%) of NaI(Tl) bialkali pmt | Temperature coefficient of light output(%/C) 25oC to 50oC | 1/e 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 | Cleavage plane | Hardness (Mho) | Density g/cm3 | Hygroscopic | Scintillator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LaBr3(Ce+Sr) | Ultimate energy resolution (2.2% @ 662keV) | 73 | 190 | 0 | 25 | 385 | ~2.0 | 1.8 | 8 | <100> | 5.08 | yes | LaBr3(Ce+Sr) | |
| LaBr3(Ce) | General purpose, excellent energy resolution | 63 | 165 | 0 | 16 | 380 | ~1.9 | 1.8 | 8 | <100> | 5.08 | yes | LaBr3(Ce) | |
| CLLB, Cs2LiLaBr6(Ce) |
Dual Gamma-Neutron detection | 43 | 115 | 180 /1100 | 420 | ~1.85 | 2.2 | — | 4.2 | yes | CLLB, Cs2LiLaBr6(Ce) |
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| NaI(Tl) | General purpose, good energy resolution | 38 | 100 | -0.3 | 250 | 415 | 1.85 | 2.5 | 47.4 | <100> | 2 | 3.67 | yes | NaI(Tl) |
| NaI(Tl+Li) or NAIL | Neutron-Gamma Scintillator | 35 | 100 | -0.3 | 240, 1.4 μs 230. 1.1μs |
419 | 1.85 | 2.5 | 47.4 | <100> | 2 | 3.67 | yes | NaI(Tl+Li) |
|
LYSO
Lu1.8Y.2SiO5(Ce)
|
Bright, high Z, fast, dense, background from 176Lu activity | 33 | 87 | -0.28 | 36 | 420 | 1.81 | 1.1 | — | none | 7.1 | no | Engineered LYSO Lu1.8Y.2SiO5(Ce) | |
| CdWO4 | Low afterglow, for use with photodiodes | 12-15 | 30-50 | -0.1 | 14000 | 475 | ~2.3 | 1 | 10.2 | <010> | 4-4.5 | 7.9 | no | CdWO4 |
| CsI(Tl) | High Z, rugged, good match to photodiodes | 54 | 45 | 0.01 | 1000 | 550 | 1.79 | 2 | 54 | none | 2 | 4.51 | slightly | CsI(Tl) |
| CsI(Na) | High Z, rugged | 41 | 85 | -0.05 | 630 | 420 | 1.84 | 2 | 54 | none | 2 | 4.51 | yes | CsI(Na) |
| BGO | High Z, compact detector, low afterglow | 8 – 10 | 20 | -1.2 | 300 | 480 | 2.15 | 1 | 7 | none | 5 | 7.13 | no | BGO |
| CaF2(Eu) | Low Z, a & b detection | 19 | 50 | -0.33 | 940 | 435 | 1.47 | 2.9 | 19.5 | <111> | 4 | 3.18 | no | CaF2(Eu) |
| YAG(Ce) | b-ray, X-ray counting, electron microscopy | 8 | 15 | — | 70 | 550 | 1.82 | 2 | ~8 | none | 8.5 | 4.55 | no | YAG(Ce) |
| CsI(Pure) | High Z, fast emission | 2 | 4-6 | -0.3 | 16 | 315 | 1.95 | 2 | 54 | none | 2 | 4.51 | slightly | CsI(Pure) |
| BaF2 | Fast component (subnanosecond) | 1.8 | 3 | 0 | 0.6-0.8 | 220(195) | 1.54 | 1.9 | 18.4 | <111> | 3 | 4.88 | slightly | BaF2 |
| Slow component | 10 | 16 | -1.1 | 630 | 310 | 1.50 | 1.9 | 18.4 | <111> | 3 | 4.88 | slightly | ||
| ZnS(Ag) | Coated on BC-400 scintillator or UVT acrylic for Alpha detection | ~50 | 130 | -0.6 | 110 | 450 | 2.36 | — | — | — | — | 4.09 | no | ZnS(Ag) |
| The data presented are believed to be correct but are not guaranteed to be so. | ||||||||||||||
Other products in the Saint Gobain Crystals range.
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