Cadmium telluride(CdTe) is a stable crystalline  compound formed from Cadmium and telluride. It is mainly ued as infrared optical window and a solar cell material. CdTe doped with Chlorine is used as a radiation detector for x-rays, gamma rays, beta paticles and alpha particles. CdTe can operate at room temperature allowing the construction of compact detectors for a wide of applications in nuclear spectroscopy.

Crystal structureCubic
Density (g/cm3)5.851       
Melting Point (°C)1047
Heat Capacity(J/g.k)0.210
Thermal Expansion(10-6/K)5.0
Thermal Conductivity( W /m.kat 300K ) 6.3         
Transmitance Wavelength(um)0.85~29.9
Refractive index2.72

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