Lead Tungstate PbWO4


Application field Scintillators
Structure Tetragonal sheelite-type
Cleavage plane (101)
Hardness (Mohs scale) 3
Growth method Czochralski
Melting point 1123 oC
Density:  8.28 g/cm3
Wavelength of max. emission 420-440 nm
Refractive index at emission maximum 2.2
Average decay time 0.01 microsecond (gamma-rays, room temperature)
Max. crystal diameter Æ 50 mm

 
Cleaved PbWO4 single crystal