Terbium monoselenide

Terbium monoselenide is an inorganic compound, with the chemical formula of TbSe. It is one of the selenides of terbium. It is a yellow-red solid.

Preparation
Terbium monoselenide can be prepared by reacting terbium and selenium:


 * Tb + Se -> TbSe

Properties
Terbium monoselenide has the sodium chloride crystal structure, with space group Fm3m. It can undergo a peritectic reaction in thallium monoselenide to generate TlTbSe2:


 * TlSe + TbSe -> TlTbSe2