Lanthanum hexaboride (LaB6) usually be used as cathode, Now for it's excellent performance. It can be used more fields, for example microscope, a high brightness thermionic emission materials because of its low work function, high melting point and high metallic conductivity.
Performance :-------------------------
Purity : 99.9%99.5%
Density: 4.7g/cm3
Melting point: 2530°C
Hardness: 87.5RA
Expansion Coefficient: 1/°C x 10-6
Conductive Coefficient: 0.047
Resistance: 15.0
Work function: 2.6eV
Flexure Strength (σ): 200 MPa
Fracture toughness (Kic): 3.0 MN/m3/2
Application:-----------------------
Vacuum electron beam welding machine
Electron beam surface reforming device
Electron beam lithography device
Transmission elctron microscope
Scanning elctron microscope
Surface analysis device
Radio therapy devices
Products:-----------------------------
Powder, rod, sputtering target,evaporation material, cathode,nanometer powder