CG MATERIAL
Lanthanum Hexaboride Ring, LaB6 Ring
Lanthanum Hexaboride Ring, LaB6 Ring
Lanthanum hexaboride (LaB6) rings are a type of ceramic component made from a rare-earth boride compound. LaB6 rings have excellent electrical conductivity, high melting point, and chemical stability, making them useful in a variety of industrial applications.
LaB6 rings are commonly used as thermionic emitters in electron microscopes, where they emit electrons when heated by an electric current. They are also used as hot cathodes in X-ray generators and other vacuum tube devices. In addition, LaB6 rings can be used as sputtering targets for thin film deposition and as components in high-temperature furnaces and heaters.
LaB6 rings are typically produced using powder metallurgy techniques, where the LaB6 powder is compacted into the desired shape and then sintered at high temperatures to achieve a dense and uniform structure. They are available in a range of sizes and can be custom-made to meet specific application requirements.
Lanthanum Hexaboride Properties
| Compound Formula | LaB6 |
| Molecular Weight | 203.78 |
| Appearance | Purple to Violet |
| Melting Point | 2210 °C |
| Density | 2.61 g/cm3 |
Lanthanum Hexaboride Applications
-Thermionic emission (cathode)
-Plasma source for plasma enhanced coating (PECVD)
-Vacuum electron beam welding machine
-Electron beam surface reforming device
-Electron beam lithography device
-Transmission electron microscope
-Scanning electron microscope
-Surface analysis device
-Radio therapy devices
Lanthanum Hexaboride Ring Specifications
| Product | Lanthanum Hexaboride | Structure | Polycrystalline |
| Symbol | LaB6 cathode | Thermal Conductive | 47 W/mK (20℃) |
| Cas No. | 12008-21-8 | Thermal Expansion | 6.2 10-6K-1 (20-900℃) |
| Atomic Mass | 203.78 g/mol | Electrical Resistance | ca.15 μΩ cm (20℃) |
| Density | 4.72 g/cm3 | Electrical Conductive | 6.65×104 S/cm (20℃) |
| Melting Point | 2528 K | Current Denstiy | 150 A/cm2 (1950℃) |
| Hardness | 87.5 RA | Electron Emissivity | 2.6 eV |
| Flexure Strength (σ) | 200 Mpa | Fracture toughness (Kic) | 3.0 MN/m3/2 |
Lanthanum Hexaboride Ring Applications
-Thermionic emission (cathode)
-Plasma source for plasma enhanced coating (PECVD)
-Vacuum electron beam welding machine
-Electron beam surface reforming device
-Electron beam lithography device
-Transmission electron microscope
-Scanning electron microscope
-Surface analysis device
-Radio therapy devices
Packaging
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