Ytterbium Phosphide

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Ytterbium phosphide
Names
Other names
Phosphanylidyneytterbium
Identifiers
3D model (JSmol)
EC Number
  • 234-865-2
Properties
PYb
Molar mass 204.01
Appearance Black crystals
Density 6.94 g/cm3
Insoluble
Structure
Cubic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Ytterbium phosphide is an inorganic compound of ytterbium and phosphorus with the chemical formula YbP.[1] This is one of the phosphides of ytterbium.[2][3]

Synthesis

Ytterbium and phosphine reacts in liquid ammonia to form Yb(PH2)2·5NH3, which can be decomposed to obtain ytterbium phosphide:[4]

Yb(PH2)2•5NH3 → Yb(PH2)2 + 5NH3
2Yb(PH2)2 → YbP + 2PH3 + H2

Physical properties

Ytterbium phosphide decomposes at or above 550 °C:

12 YbP → 4 Yb3P2 + P4

It is soluble in hydrochloric acid, nitric acid, and aqua regia.

The compound forms black crystals of a cubic system, space group Fm3m.[5]

Uses

Ytterbium phosphide compound is a semiconductor used in high power, high frequency applications and in laser and other photo diodes.[1]

References

  1. ↑ 1.0 1.1 "Ytterbium Phosphide" (in en). American Elements. https://www.americanelements.com/ytterbium-phosphide-12037-71-7. 
  2. ↑ Shur, Michael S.; Levinshtein, Michael E. (8 December 1995) (in en). Best Of Soviet Semiconductor Physics And Technology (1989-1990). World Scientific. p. 384. ISBN 978-981-4502-62-7. https://books.google.com/books?id=IcXsCgAAQBAJ&dq=Ytterbium+phosphide+YbP&pg=PA17. Retrieved 21 December 2021. 
  3. ↑ (in en) Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 90. https://books.google.com/books?id=EwXoYmUt_B0C&dq=Ytterbium+phosphide+YbP&pg=RA1-PA90. Retrieved 21 December 2021. 
  4. ↑ Pytlewski, L. L.; Howell, J. K. (1 January 1967). "Preparation of Europium and ytterbium phosphides in liquid ammonia" (in en). Chemical Communications (24): 1280. doi:10.1039/C19670001280. https://pubs.rsc.org/en/content/articlelanding/1967/C1/c19670001280. Retrieved 21 December 2021. 
  5. ↑ "mp-2390: YbP (cubic, Fm-3m, 225)". materialsproject.org. https://materialsproject.org/materials/mp-2390/. 




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Categories: [Phosphides] [Ytterbium compounds] [Semiconductors] [Rock salt crystal structure]

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