Cadmium Tungstate

CdWO4

A non-hygroscopic scintillator offering good light yield. Often used for CT applications. High radiopurity and low background.

Properties

Cleavage Planes: (010)
Decay Constant (ns): 14000
Density (g.cm-3): 7.9
Emission Spectral Range (nm): 540
Melting Point (K): 1593
Peak Scintillation Wavelength (nm): 475
Photons/MeV: 13000
Radiation Length (cm): 1.06
Refractive Index at Peak Emission: 2.25
Solubility (g/100g H2O @ 300K): Insoluble
Stability: Good
Structure: Monoclinic