Tripalladium heptagadolinium is a binary inorganic compound of palladium and gadolinium with the formula Gd 7 Pd 3 , crystals.
| Tripalladium heptagadolinium | |
|---|---|
| Are common | |
| Systematic name | Tripalladium heptagadolinium |
| Traditional names | Heptagadolinium tripalladium |
| Chem. formula | Pd 3 gd 7 |
| Rat formula | Gd 7 pd 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 1420.01 g / mol |
| Density | 8.7 g / cm³ |
| Thermal properties | |
| T. decomp. | 812 ° C [1] |
| Classification | |
| Reg. CAS number | 39417-19-1 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Tripalladium heptagadolinium forms crystals of hexagonal syngony , cell parameters a = 0.9980 nm, c = 0.6276 nm, Z = 1 [2] .
The compound is formed by a peritectic reaction at a temperature of 812 ° C [1] .
It has a high magnetocaloric effect [3] .
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ B. Predel. Gd-Pd (Gadolinium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1996. - T. 5f . - S. 1-3 . - DOI : 10.1007 / 10501684_1438 .
- ↑ Canepa F., Napoletano M., Cirafici S., Merlo F. The magnetocaloric effect in Gd 7 Pd 3 and Gd 7 Pd 3-x Ni x compounds // Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International. - 2002. - ISSN 0-7803-7365-0 . - DOI : 10.1109 / INTMAG.2002.1001083 .