Holmium phosphide

Holmium phosphide is a binary inorganic compound of holmium and phosphorus with the chemical formula HoP.^[2][3][4] The compound forms dark crystals, is stable in air, and does not dissolve in water.^[1]

Holmium phosphide

Names
Other names Phosphanylidyneholmium, holmium monophosphide
Identifiers
CAS Number	12029-85-5
3D model (JSmol)	Interactive image
ChemSpider	38073060
ECHA InfoCard	100.031.566
EC Number	234-737-6
PubChem CID	82819
InChI InChI=1S/Ho.P Key: MPCFEQUPROVEQK-UHFFFAOYSA-N
SMILES P#[Ho]
Properties
Chemical formula	HoP
Molar mass	195.90
Appearance	Dark crystals
Density	7.90 g/cm3[1]
Solubility in water	Insoluble
Related compounds
Other anions	Holmium nitride Holmium arsenide Holmium antimonide Holmium bismuthide
Other cations	Dysprosium phosphide Erbium phosphide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Heating powdered holmium and red phosphorus in an inert atmosphere or vacuum:^[5]

4Ho + P₄ → 4HoP

Properties

HoP belongs to the large class of NaCl-structured rare earth monopnictides.^[6]

Ferromagnetic at low temperatures.^[7][8]

HoP actively reacts with nitric acid.^{[citation needed]}

Uses

The compound is a semiconductor used in high power, high frequency applications and in laser diodes.^[4]