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Niobium disilicide

Niobium disilicide - a binary inorganic compound of niobium and silicon with the formula NbSi 2 , crystals.

Niobium disilicide
Are common
Systematic
name
Niobium disilicide
Traditional namesSilicon Niobium
Chem. formulaNbSi 2
Physical properties
conditioncrystals
Molar mass149.08 g / mol
Density5.6 g / cm³
Thermal properties
T. melt.1940 ° C
Classification
Reg. CAS number12034-80-9
Reg. EINECS number

Content

Getting

  • Fusion of pure substances in an inert atmosphere:
Nb+2Si→1940oCNbSi2{\ displaystyle {\ mathsf {Nb + 2Si \ {\ xrightarrow {1940 ^ {o} C}} \ NbSi_ {2}}}}  

Physical Properties

Niobium disilicide forms crystals of hexagonal syngony , space group P 6 2 22 , cell parameters a = 0.4791 nm, c = 0.6588 nm, Z = 3.

At a temperature of <1.2 K, it passes into the superconducting state [1] .

Notes

  1. ↑ Superconductors

Literature

  • Chemist Handbook / Redkol .: Nikolsky B.P. et al. - 2nd ed., Rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
  • State diagrams of double metal systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .


Source - https://ru.wikipedia.org/w/index.php?title=Disilicide_niobia&oldid=80364504


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