Yttrium phosphide is an inorganic compound of yttrium and phosphorus with the chemical formula YP. The compound may be also classified as yttrium(III) phosphide.
Heating (500âÂÂ1000 ðC) of pure substances in a vacuum:
Yttrium phosphide forms cubic crystals.
Ytttium phosphide is a semiconductor used in laser diodes, and in high power and frequency applications.