Chemistry:Samarium phosphide
From HandWiki
| Names | |
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| Other names
Phosphanylidynesamarium, samarium monophosphide
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| PSm | |
| Molar mass | 181.3 |
| Appearance | Crystals |
| Density | 6.3 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 | |
Tracking categories (test):
Samarium phosphide is an inorganic compound of samarium and phosphorus with the chemical formula SmP.[1][2][3]
Synthesis
Synthesis s by heating samarium and phosphorus:
- 4 Sm + P4 → 4 SmP
Physical properties
Samarium phosphide forms crystals of a cubic system, space group Fm3m, cell size a = 0.5760 nm, Z = 4, with a structure similar to sodium chloride NaCl.[4]
The compound exists in the temperature range of 1315–2020 °C and has a homogeneity region described by the SmP1÷0.982.[5]
Chemical properties
Samarium phosphide readily dissolves in nitric acid.[6]
Uses
Samarium phosphide compound is a semiconductor used in high power, high frequency applications and in laser diodes.[1]
References
- ↑ 1.0 1.1 "Samarium Phosphide" (in en). American Elements. https://www.americanelements.com/samarium-phosphide-12066-50-1.
- ↑ (in en) Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 49. https://books.google.com/books?id=EwXoYmUt_B0C&dq=samarium+phosphide+SmP&pg=RA2-PA49. Retrieved 21 December 2021.
- ↑ Freeman, A. J. (2 December 2012) (in en). The Actinides: Electronic Structure and Related Properties. Elsevier. p. 201. ISBN 978-0-323-15304-1. https://books.google.com/books?id=Z1MdFPbbsBYC&dq=samarium+phosphide+SmP&pg=PA201. Retrieved 21 December 2021.
- ↑ Donnay, Joseph Désiré Hubert (1963) (in en). Crystal Data; Determinative Tables. American Crystallographic Association. p. 888. https://books.google.com/books?id=x5ghAQAAMAAJ&dq=samarium+phosphide+SmP&pg=PA888. Retrieved 21 December 2021.
- ↑ Predel, B. (1998). "P-Sm (Phosphorus-Samarium)" (in en). Ni-Np – Pt-Zr. Landolt-Börnstein - Group IV Physical Chemistry. pp. 1. doi:10.1007/10542753_2381. ISBN 3-540-61712-4. https://materials.springer.com/lb/docs/sm_lbs_978-3-540-70692-2_2381. Retrieved 21 December 2021.
- ↑ (in en) Soviet Progress in Chemistry. Faraday Press. 1966. p. 91. https://books.google.com/books?id=QLBaAAAAYAAJ&q=samarium+phosphide+SmP. Retrieved 21 December 2021.
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