Europium disilicide is a binary inorganic compound of europium and silicon with the chemical formula .
Europium disilicide forms dark gray crystals of hexagonal or tetragonal system (space group I4<sub>1</sub>/amd), insoluble in water, cell parameters a = 0.429 nm, c = 1.366 nm.
-powder exhibits good electrical conductivity, thermal stability, and semiconducting properties. Europium disilicide in the form of thin films finds application in microelectronics.