Europium monoselenide
Europium monoselenide is a binary inorganic compound of europium and selenium with the chemical formula EuSe. The compound forms black crystals.
Synthesis
- Heating stoichiometric amounts of pure substances in a vacuum ampoule at 800 °C:
- Heating of europium oxalate with an excess of selenium in a hydrogen current:
Physical properties
Europium monoselenide forms black crystals of cubic syngony, spatial group Fm3m, cell parameters a = 0.6185 nm, Z = 4.Ferromagnetic at curie temperature 7 K.