| Names | |
|---|---|
| Other names
samarium(III) arsenide, arsanylidynesamarium
| |
| Identifiers | |
3D model (JSmol)
|
|
| ECHA InfoCard | 100.032.266 
|
| EC Number |
|
PubChem CID
|
|
| |
| |
| Properties | |
| SmAs | |
| Molar mass | 225.28 |
| Appearance | Crystals |
| Density | 7.2 g/cm |
| Melting point | 2,257 °C (4,095 °F; 2,530 K) |
| Related compounds | |
Related compounds
|
Neptunium arsenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C ※, 100 kPa).
| |
Chemical compound
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 → SmAs
Physical properties※
Samarium arsenide forms crystals of a cubic system, space group Fm3m, cell parameters a = 0.5921 nm, Z = 4, of NaCl-structure.
The compound melts congruently at 2257 °C.
Uses※
SmAs is used as a semiconductor and in photo optic applications.
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.
- ^ "mp-1738: SmAs (cubic, "Fm-3m," 225)". materialsproject.org. Retrieved 11 January 2022.
- ^ NBS Monograph. National Bureau of Standards. 1959. p. 68. Retrieved 11 January 2022.
- ^ Predel, B. (1991). "As-Sm (Arsenic-Samarium) - SpringerMaterials". materials.springer.com. Retrieved 11 January 2022.
- ^ 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.
- ^ "Samarium Arsenide". American Elements. Retrieved 11 January 2022.