Sodium-Bismuth Tungstate NaBi(WO4)2


Application field Scintillators, Cherenkov detectors
Structure Tetragonal scheelite-like (a=5.30, c=11.58 angstrom)
Growth method Czochralski
Melting point 935 oC
Density:  7.5 g/cm3
Wavelength of max. emission 520 nm (X-ray excitation)
495 nm (optical excitation at 77 K)
Refractive index at emission maximum 2.15
Radiation hardness 107 rad
Max. crystal diameter Æ 50 mm

 
"As grown" NBWO single crystals
Transmittance spectrum