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Ce:GAGG

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Ce: GAGG crystal (chemical formula Ce: Gd3Al2Ga3O12) is a scintillation crystal excellent scintillating performance. Which exhibits stable physical and chemical properties, high thermal conductivity. The effective atomic number of the GAGG crystal is as high as 54.4, and the peak wavelength of the emission spectrum located at 520nm, which matches well with the sensitive wavelength range of the photomultiplier tube (PMT) and silicon photodiode (PD). Ce: GAGG crystals are widely used in photomultiplier tubes, photoelectric counters, scintillation screens and other high-energy particle detection. Such as β-rays, γ-rays, CT, scanning electron microscope (SEM) and and positron emission tomography (PET).

CRYLINK has developed 2 kinds of GAGG(Ce) crystal, with faster decay time(GAGG-K), with high light output(GAGG-G) for the customer in different field.

 

Features Applications
  • High density
  • High light output
  • Fast decay time
  • Good radiation resistance
  • Low afterglow
  • High energy resolution
  • γ-ray detection
  • X-ray medical imaging
  • Nuclear physics
  • Nuclear radiation detection
  • PET/SEM
  • Scintillation Screen

 

MATERIAL PROPERTIES

Chemical formulaCe: Gd3Al2Ga3O12
Density(g/cm3)6.6
Melting point (℃)1850
Hardness (Mho) 8
HygroscopicNo
CleavageNo
Solubility (g/100gH2O)N/A
Thermal expansion coeff (C-1)TBA*10-6

Scintillator Properties

GAGG-KGAGG-G
Density(g/cm3)6.66.6
Refractive index1.911.91
Light output(Photons/Mev)3000050000
Energy resolution(5×5×5 mm cubic, 662KeV)7%4.2%
Decay time(ns)50150
Emission wavelength max(nm)520530
Radiation resistance(rad)107107
Self-radiationNoNo

Ce:GAGG scintillator crystal spectra

Ce:GAGG crystal scintillator crystals Spectra-1Ce:GAGG crystal scintillator crystals Spectra-2Ce:GAGG crystal scintillator crystals Spectra-3
Ce:GAGG crystal scintillator crystals Spectra

PMT:R1306 ; Reflector: Teflon(0.8mm); Radiation source: Cs137 HV:650V Light Output :50000 ph/MeV; Energy resolution :8.9%

PMT:R1306 ; Reflector: Teflon(0.8mm); Radiation source: Cs137 HV:650V Light Output :50000 ph/MeV; Energy resolution :8.9%
PMT:R1306 ; Reflector: Teflon(0.8mm);
Radiation source: Cs137 HV:650V
Light Output :50000 ph/MeV; Energy resolution :8.9%

Related application(s) with BGO:

X-ray detection γ-ray detection
 
PET  

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