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LA1409 Lanthanum Hexaboride (LaB6) Powder

Lanthanum Hexaboride Powder Properties

Lanthanum Hexaboride powder

Compound Formula LaB6
Molecular Weight 203.78
Appearance Purple to violet Powder
Melting Point 2210 °C
Density 4.72 g/cm3
Solubility in H2O Insoluble
Crystal structure Cubic




Lanthanum Hexaboride Powder Description

Lanthanum Hexaboride Cathode(LaB6 cathode, also called lanthanum boride cathodeand LaB6 cathode) is an inorganic chemical. With melting point 2528 K, LaB6 cathode is a refractory ceramic material, which is insoluble in water or hydrochloric acid and very stable in vacuum. LaB6 cathode Stoichiometric samples are colored intense purple-violet, while boron-rich ones (above LaB6.07) are blue. Ion bombardment changes its color from purple to emerald green. LaB6 cathode is a superconductor with a relatively low transition temperature of 0.45 K.

Borides are hard, high-melting materials with metal-like conductivity, and they are stable to nonoxidizing acids but break down in strong oxidizing agents and strong alkalis. Borides are used in semiconductors, superconductors, diamagnetic, paramagnetic, ferromagnetic, anti-ferromagnetic, turbine blades, and rocket nozzles. 

Lanthanum Hexaboride Powder 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 Currenty 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 Powder 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

Packing Service

ACM’s Lanthanum Hexaboride Powder is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.


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Lanthanum Hexaboride (LaB6) Powder
Average rating:  
 1 reviews
by Omar Lopez on Lanthanum Hexaboride (LaB6) Powder
Much better the I bought in other places

Perfect! I love them!

Will definitely purchase again.

Better than the ones I bought from another big wholesale company.