LuAG:Ce

LuAG:Ce
Luttetium alluminium garnet doped with cerium is a relatively dense and fast scintillation material with fast decay time

Key characteristics

  • High density
  • Fast decay time
  • Wavelength of luminescence emission well suitable for Photodiode and Avalanche Diode readout
  • Chemical and mechanical resistance
  • Temperature resistance

Technical parameters

Physical properties 
Density 6.73 g/cm3
Hardness by Mohs 8.5
Index of refraction 1.84
Melting point 2020°C
Thermal expansion -
Crystal structure cubic
Hygroscopic NO

 

 

Luminescence properties 
Wavelength of max. emission 535 nm
Decay constant 70 ns
Afterglow -
Radiation length for 511 keV 1.3 cm
Photon yield at 300 K (27°C) 25 x 103 Ph/MeV
Integrated light output compared to NaI:Tl 20 % NaI:Tl

Luminescence properties

 

 

Emission centroid

[nm]

Maximum emission

[nm]

Max. of absorption

[nm]

Max abs. coefficient

[cm-1]

n @633nm [-]

Thermal conductivity

T= 25°C

[W.m-1 K-1]

Thermal conductivity

T= 100°C

[W.m-1 K-1]

Green

CIE (0.326; 0.576)

545   510   450   ~60  1.84  10.3  7.2 

Other Cryphosphor materials:

Yellow

CIE (0.418; 0.554)

573   535  459  ~80  1.83  11.5  7.5 

Yellow

CIE (0.434; 0.543)

 
580   545   460  ~80  1.83  8.2  5.7 

Yellow/Orange

CIE (0.453; 0.530)

 588  555 460   ~60  1.83   7.7 5.4