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PVD-Consumables - LaB6 cathodes

Lanthanum hexaboride (LaB6) has a melting point of greater than 2400°C, a cubic crystalline structure and an extremely low electron work function of just 2.7eV. For this reason, LaB6 ceramic is used globally as a cathode in plasma-supported coating processes. We produce these cathodes with different geometries for a vast number of industrial and university applications.

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Product properties

Structure: polycrystalline      
Thermal conductivity W/mK 47 (20 °C)
Thermal expansion 10-6K-1 6,2 (20 - 900 °C)
Dichte g/cm3 4,72  
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