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Cadmium Telluride vs. Barium Fluoride

Both cadmium telluride and barium fluoride are non-glass optical ceramics. There are 13 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
60
Knoop Hardness 45
80
Poisson's Ratio 0.41
0.32

Thermal Properties

Melting Onset (Solidus), °C 1090
1370
Specific Heat Capacity, J/kg-K 210
420
Thermal Conductivity, W/m-K 5.0
9.0
Thermal Expansion, µm/m-K 5.9
18

Otherwise Unclassified Properties

Density, g/cm3 5.9
4.9
Light Transmission Range, µm 1.0 to 25
0.15 to 13
Refractive Index 2.6
1.6

Common Calculations

Stiffness to Weight: Axial, points 4.3
6.8
Stiffness to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 4.1
4.4