Holmium phosphide
Holmium phosphide is a binary inorganic compound of holmium and phosphorus with the chemical formula HoP. The compound forms dark crystals, is stable in air, and does not dissolve in water.
Synthesis
Heating powdered holmium and red phosphorus in an inert atmosphere or vacuum:Properties
HoP belongs to the large class of NaCl-structured rare earth monopnictides.Ferromagnetic at low temperatures.
HoP actively reacts with nitric acid.