| Parameter |
Units |
LaB6 |
| Stoichiometry |
N/A |
~6 |
| Metal Impurities |
ppm by wt. |
<30 |
| Density |
g/cm3 |
4.72 |
| Coefficient of Thermal expansion |
α × 10^6 |
5.6 |
| Electrical Resistivity |
µΩ-cm |
~50 |
| Effective Work Function (100) at 1800 K |
eV |
2.8 |
| Absolute Work Function (100) at 300 K |
eV |
2.6 |
| Spectral Emissivity at 0.65 microns |
N/A |
0.765 |
| Evaporation rate at 1800 K (UHV) |
g/cm2/s |
2.2 × 10^-9 |
| Orientation limit for specific orientation |
degrees |
<2 |
| Pyrolitic block mount resistance @ 1800 K |
Ω |
1.45 |
| Clamping pressure of SMVM |
MPa |
34.5 |
| Yield of finished cathodes |
N/A |
>95% |
