Tags: Chemical Compound, Chemical Substance.
Cerium hexaboride (CeB6 also called cerium boride CeBix CEBIX and (incorrectly) CeB) is an inorganic chemical a boride of cerium. It is a refractory ceramic material. It has low work function and one of the highest electron emissivity known and is stable in vacuum. The principal use of cerium hexaboride is a coating of hot cathodes or hot cathodes made of cerium hexaboride crystals.
