Erbium(III) selenide is an inorganic compound with a chemical formula of Er2Se3.

Preparation

Erbium(III) selenide can be obtained by the reaction of erbium and selenium:

It can also be prepared by reacting erbium oxide and hydrogen selenide at high temperature.Guittard, Micheline; Benacerraf, A.; Flahaut, J. Selenides L2Se3 and L2Se4 of rare earth elements. Ann. Chim. (Paris), 1964. 9 (1-2): 25-34. CAN61: 38017.

Properties

Erbium(III) selenide is an orthorhombic crystal with a Sc2S3 structure and a space group of Fddd. It reacts with magnesium selenide at 1000 °C to obtain MgEr2Se4.

References

External reading