Lanthanum Hexaboride (LaB6) Powder, also referred to as Lanthanum Boride, is characterized by its cubic crystal structure and purple coloration, and finds successful applications in military and high-tech sectors, including radar aerospace, electronics, instrumentation, medical equipment, metallurgy for home appliances, and environmental protection.
What is the use of lanthanum hexaboride?
Lanthanum hexaboride is mainly used to manufacture thermionic emitters (or hot cathodes). These cathodes can be crystals or coatings. Hexaborides have low work functions and the highest electron emissivity, which makes them ideal choices for electron emitters. Thus, they are used to make electron guns, which are an indispensable part of scanning electron microscopes, transmission electron microscopes, and electron lithography systems.
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