Lutetium phosphide is an inorganic compoundoflutetium and phosphorus with the chemical formula LuP.[3][4] The compound forms dark crystals, does not dissolve in water.
| Names | |
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| Other names
Phosphanylidynelutetium | |
| Identifiers | |
3D model (JSmol) |
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| ECHA InfoCard | 100.031.588 
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PubChem CID |
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| Properties | |
| LuP | |
| Molar mass | 205.94[2] |
| Appearance | Dark crystals |
| Density | 8,1 |
| Insoluble | |
| Structure | |
| cubic | |
| Related compounds | |
Other anions |
Lutetium nitride Lutetium arsenide Lutetium antimonide Lutetium bismuthide |
Other cations |
Ytterbium phosphide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Heating powdered lutetium and red phosphorus in an inert atmosphere or vacuum:
It can also be formed in the reaction of lutetium and phosphine.
Lutetium phosphide forms dark cubic crystals, space group Fm3m, cell parameters a = 0.5533 nm, Z = 4.[5]
Stable in air, does not dissolve in water and reacts actively with nitric acid.
The compound is a semiconductor used in high power, high-frequency applications, and in laser diodes.[6]
Also used in gamma radiation detectors due to its ability to absorb radiation.