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Lithium Fluoride vs. Cadmium Telluride

Both lithium fluoride and cadmium telluride are non-glass optical ceramics. There are 12 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is lithium fluoride and the bottom bar is cadmium telluride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Poisson's Ratio 0.27
0.41

Thermal Properties

Melting Onset (Solidus), °C 870
1090
Specific Heat Capacity, J/kg-K 1560
210
Thermal Conductivity, W/m-K 12
5.0
Thermal Expansion, µm/m-K 32
5.9

Otherwise Unclassified Properties

Density, g/cm3 2.6
5.9
Light Transmission Range, µm 0.12 to 6.5
1.0 to 25
Refractive Index 1.4
2.6

Common Calculations

Stiffness to Weight: Axial, points 24
4.3
Stiffness to Weight: Bending, points 62
20
Thermal Diffusivity, mm2/s 2.9
4.1