Dysprosium phosphide is an inorganic compound of dysprosium and phosphorus with the chemical formula DyP.
The compound can be obtained by the reaction of phosphorus and dysprosium at high temperature.
DyP has a NaCl structure (a=5.653 à), where dysprosium is +3 valence. Its band gap is 1.15 eV, and the Hall mobility (üH) is 8.5 cm<sup>3</sup>/V÷s.
DyP forms crystals of a cubic system, space group Fm3m.
The compound is a semiconductor used in high power, high frequency applications and in laser diodes.