Sodium Iodide

NaI

The material is hydroscopic and emits at short wavelengths. Finds applications in research areas such as Dark Matter as it can be produced very radiopure.

Properties

Cleavage Planes: (100)
Decay Constant (ns): 230
Density (g.cm-3): 3.7
Emission Spectral Range (nm): 275-375
Gamma and X-ray absorption coefficients (cm-1): 100KeV
Melting Point (K): 924
Peak Scintillation Wavelength (nm): 300
Radiation Length (cm): 2.59
Refractive Index at Peak Emission: 1.8
Solubility (g/100g H2O @ 300K): 184.2
Stability: Very Hygroscopic
Structure: BCC
Thermal Conductivity (W·m-1·K-1) @ 300K: 3.47
Transmission Range (nm): 250-350