| Material |
PbS |
PbSe |
PbTe |
| Structure |
Cubic (NaCL-type) |
|
|
| Density |
7.60 g/ cm3 |
8.15 g/ cm3 |
8.16 g/ cm3 |
| Thermal conductivity (at 25 deg C) |
0.03 W/cmK |
0.017 |
0.017 |
| Refractive index (λ= 6 μm) |
4.19 |
4.54 |
5.48 |
| Direct bandgap |
0.37 eV |
0.27 eV |
0.32 eV |
|
PbS, PbSe, PbTe rods, wafers and substrates
|
| Diameter/Width |
55 mm |
| Thickness/length |
0.1-30 mm |
| Surface quality |
80/50, 60/40, 40/20 per MIL-0-13830 |
| Orientation |
(100) |
|
|
|