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CeBix™ (CeB6) & LaB6 Material Data
Material data on Cerium Hexaboride (CeB6) & Lanthanum Hexaboride (LaB6)
Parameter |
Units |
LaB6 |
CeB6 |
| Stoichiometry | N/A |
~ 6 |
|
| Metal Impurities | ppm by wt. |
< 30 |
|
| Density | g/cm3 |
4.72 |
4.80 |
| Coefficient of Thermal Expansion | α x 106 |
5.6 |
6.2 |
| Electrical Resistivity | µΩ-cm |
~ 50 |
~ 65 |
| Effective Work Function (100) at 1800 K | eV |
2.80 |
2.65 |
| Absolute Work Function (100) at 300 K | eV |
2.60 |
2.50 |
| Spectral Emissivity at 0.65 microns | N/A |
0.765 |
0.779 |
| Evaporation rate at 1800 K (UHV) | g/cm2/s |
2.2 x 10-9 |
1.6 x 10-9 |
| Orientation limit for specific orientation | degrees |
< 2 |
|
| Pyrolitic block mount resistance @ 1800 K | Ohms |
1.45 |
|
| Clamping pressure of SMVM | MPa |
34.5 |
|
| Yield of finished cathodes | N/A |
>95% |
>85% |
Updated 7/2011
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