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Samariidigermany

Samaridigermanium is a binary inorganic compound of samarium and germanium with the formula Ge 2 Sm, crystals.

Samariidigermany
General
Systematic
name
Samariidigermany
Traditional namesDigermaniumsamarium
Chem. formulaGe 2 Sm
Rat formulaSmge 2
Physical properties
conditioncrystals
Molar mass295.64 g / mol
Density8.1 g / cm³
Classification
Reg. CAS number12025-61-5

Getting

  • Fusion of stoichiometric amounts of pure substances:
Sm+2Ge→TGe2Sm{\ displaystyle {\ mathsf {Sm + 2Ge \ {\ xrightarrow {T}} \ Ge_ {2} Sm}}}  

Physical Properties

Samaridigermanium forms tetragonal crystals, space group I 4 1 / amd , cell parameters a = 0.4183 nm , c = 1.3810 nm , Z = 4 , zirconium disilicide type structure ZrSi 2 [1] [2] [3] .

The compound is formed by a peritectic reaction [1] .

Notes

  1. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
  2. ↑ B. Predel. Ge-Sm (Germanium-Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 5f. - T. 1996 . - S. 1-2 . - DOI : 10.1007 / 10501684_1505 .
  3. ↑ AB Gokhale, GJ Abbaschian. The Ge − Sm (Germanium-Samarium) system // Bulletin of Alloy Phase Diagrams. - 1988. - T. 9 , No. 5 . - S. 578-581 . - DOI : 10.1007 / BF02881959 .



Source - https://ru.wikipedia.org/w/index.php?title=Samariidigermany&oldid=88750682


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