CRY 19

CRY 19
CRY 19

Technical parameters

Physical properties  
Density 7.1 g/cm3
Hardness by Mohs -
Index of refraction 1.81
Melting point 2100°C
Thermal expansion 1.8-10.3 x 10-5/K
Crystal structure monoclinic
Hygroscopic NO

 

 

Luminescence properties  
Wavelength of max. emission 420 nm
Decay constant 41 ns
Afterglow -
Radiation length for 511 keV 2.1 cm
Photon yield at 300 K (27°C) 24 x 103 Ph/MeV
Integrated light output compared to NaI:Tl 75 % NaI:Tl