Triruthenium uranium is a binary inorganic compound of uranium and ruthenium with the formula Ru 3 U, crystals.
| Triruthenium uranium | |
|---|---|
| Are common | |
| Systematic name | Triruthenium uranium |
| Traditional names | Urantritruthenium |
| Chem. formula | URu 3 |
| Rat formula | Ru 3 U |
| Physical properties | |
| condition | crystals |
| Molar mass | 541.24 g / mol |
| Density | 14.1 g / cm³ |
| Thermal properties | |
| T. decomp. | 1850 ° C |
| Classification | |
| Reg. CAS number | 12316-42-6 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Triruthenium uranium forms crystals of cubic syngony , space group P m 3 m , cell parameters a = 0.3988 nm , Z = 1 , structure like tri - gold AuCu 3 [1] [2] [3] .
The compound is formed by a peritectic reaction at a temperature of 1850 ° C [1] or melts congruently at a temperature of 1725 ° C [3] (1725 ° C [4] ).
At a temperature of 0.15 K, the compound goes into a superconducting state [5] .
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. Ru-U (Ruthenium-Uranium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2646 .
- ↑ 1 2 H. Okamoto. Ru-U (Ruthenium-Uranium) // Journal of Phase Equilibria and Diffusion. - 2012. - T. 33 , No. 6 . - S. 499 . - DOI : 10.1007 / s11669-012-0097-x . (inaccessible link)
- ↑ Richard E. Mason, Mohamed S. El-Genk. Experimental investigation of the ruthenium-uranium and rhenium-uranium binary systems // Journal of Nuclear Materials. - 1994. - T. 217 , No. 3 . - S. 304-321 . - DOI : 10.1016 / 0022-3115 (94) 90381-6 .
- ↑ Chen JW, Lambert SE, Maple MB, Rossel C., Torikachvili MS, Yang KN, Hake, RR Superconductivity and normal-state electronic properties of URu 3 and UCo - New behavior for U-compound superconductors // J. Appl. Phys .. - 1985. - T. 57 , No. IIA . - S. 3090-3092 . - DOI : 10.1063 / 1.335169 .