Samaritic aluminum is a binary inorganic compound of samarium and aluminum with the formula Al 3 Sm, crystals.
| Samaritic Aluminum | |
|---|---|
| Are common | |
| Systematic name | Samaritic Aluminum |
| Traditional names | Trial aluminum samaria |
| Chem. formula | Al 3 Sm |
| Rac formula | SmAl 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 231.30 g / mol |
| Density | 4.7 g / cm³ |
| Thermal properties | |
| T. | 1120 ° C |
| Education enthalpy | -47.5 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 12004-75-0 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Samarium aluminum forms crystals of the hexagonal system , space group P 6 3 / mmc , cell parameters a = 0.6383 nm , c = 0.4598 nm , Z = 2 , stannide-type structure of the trinikele Ni 3 Sn [2] [3] [4] [5] [6] [7] [8] .
The compound is formed by the peritectic reaction at a temperature of 1120 ° C [2] .
Notes
- ↑ TV Kulikova, AV Maiorova, VA Bykov, K. Yu. Shunyaev. Thermodynamic properties of melts based on the Al-Sm system // Russian Journal of Physical Chemistry A. - 2012. - V. 86 , No. 8 . - p . 1185-1188 . - DOI : 10.1134 / S0036024412080067 .
- ↑ 1 2 State diagrams of double metallic systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
- ↑ B. Predel. Al-Sm (Aluminum - Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 12A. - T. 2006 . - S. 1 . - DOI : 10.1007 / 10793176_121 .
- ↑ H. Okamoto. Al-Sm (Aluminum-Samarium) // Journal of Phase Equilibria and Diffusion. - 2012. - V. 33 , № 3 . - p . 243 . - DOI : 10.1007 / s11669-012-0019-y .
- ↑ S. Delsante, R. Raggio, G. Borzone, R. Ferro. The Sm-Al Phase Diagram: The Sm 3 Al 11 Phase // Journal of Phase Equilibria and Diffusion. - 2007. - T. 28 , No. 3 . - p . 240-242 . - DOI : 10.1007 / s11669-007-9082-1 .
- ↑ H. Okamoto. Al-Sm (Aluminum-Samarium) // Journal of Phase Equilibria and Diffusion. - 2008. - V. 29 , № 2 . - p . 200 . - DOI : 10.1007 / s11669-008-9264-5 .
- ↑ B. Predel. Al-Sm (Aluminum - Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 5A. - T. 1991 . - S. 1 . - DOI : 10.1007 / 10000866_143 .
- ↑ KA Gschneidner, FW Calderwood. The Al-Sm (Aluminum-Samarium) system // Bulletin of Alloy Phase Diagrams. - 1989. - Vol. 10 , No. 1 . - pp . 37-39 . - DOI : 10.1007 / BF02882171 .