Samarium(III) arsenide is a binary inorganic compound of samarium and arsenic with the chemical formula SmAs.
Synthesis
Samarium arsenide can be synthesised by heating of pure substances in vacuum:
Sm + As → SmAsPhysical properties
Samarium arsenide forms crystals of a cubic system,3 space group Fm3m, cell parameters a = 0.5921 nm, Z = 4, of NaCl-structure.45
The compound melts congruently at 2257 °C.
Uses
SmAs is used as a semiconductor and in photo optic applications.6
References
Toxic Substances Control Act (TSCA) Chemical Substance Inventory. Cumulative Supplement to the Initial Inventory: User Guide and Indices. United States Environmental Protection Agency. 1980. p. 301. Retrieved 11 January 2022. https://books.google.com/books?id=fkkJPwbY93gC&dq=Samarium+arsenide&pg=RA3-PA301 ↩
"mp-1738: SmAs (cubic, Fm-3m, 225)". materialsproject.org. Retrieved 11 January 2022. https://materialsproject.org/materials/mp-1738/ ↩
NBS Monograph. National Bureau of Standards. 1959. p. 68. Retrieved 11 January 2022. https://books.google.com/books?id=SUB7V7hqZTMC&dq=Samarium+arsenide&pg=RA1-PA68 ↩
Predel, B. (1991). "As-Sm (Arsenic-Samarium) - SpringerMaterials". materials.springer.com. Retrieved 11 January 2022. https://materials.springer.com/lb/docs/sm_lbs_978-3-540-39444-0_242 ↩
Iandelli, A. (November 1956). "Uber einige Verbindungen des Samariums vom NaCl-Typ". Zeitschrift für anorganische und allgemeine Chemie (in German). 288 (1–2): 81–86. doi:10.1002/zaac.19562880111. Retrieved 11 January 2022. https://onlinelibrary.wiley.com/doi/10.1002/zaac.19562880111 ↩
"Samarium Arsenide". American Elements. Retrieved 11 January 2022. https://www.americanelements.com/samarium-arsenide-12255-39-9 ↩