Thallium-doped Sodium Iodide

Thallium-doped Sodium Iodide

Crystals are available in a wide range of standard sizes and configurations either as separate crystals or in complete assemblies. Maximum light transfer is achieved by employing a high efficiency reflector chosen to suit the particular application for which the crystal is required. Materials used are selected to ensure low background count.

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PropertiesValue
Cleavage Planes(100)
Decay Constant (ns)230
Density (g.cm-3)3.7
Emission Spectral Range (nm)325-525
Gamma and X-ray absorption coefficients (cm-1)0.29 at 660keV
5.5 at 100KeV
Melting Point (K)924
Peak Scintillation Wavelength (nm)410
Photons/MeV40000
Radiation Length (cm)2.59
Refractive Index at Peak Emission1.8
Solubility (g/100g H2O @ 300K)184.2
StabilityVery Hygroscopic
StructureBCC
Thermal Conductivity (W·m-1·K-1) @ 300K3.47
Transmission Range (nm)250-350
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