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Uranium ruthenium silicide

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Uranium ruthenium silicide
Identifiers
CAS Number
Properties
Chemical formula Ru2Si2U
Molar mass 496.34 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Uranium ruthenium silicide (URu2Si2) is a heavy fermion alloy composed of uranium, ruthenium, and silicon. URu2Si2 has the same '122' tetragonal crystal structure as many other compounds of present condensed matter research. URu2Si2 is a superconductor with a hastatic order (HO) phase below a temperature of 17.5 K. Below this temperature, it is magnetic, and below about 1.5 K it superconducts. However, the nature of the ordered phase below 17.5K is still under debate despite a wide variety of scenarios that have been proposed to explain this phase.

References

  1. H.-H. Kung1; R. E. Baumbach; E. D. Bauer; V. K. Thorsmølle; W.-L. Zhang; K. Haule; J. A. Mydosh; G. Blumberg (20 March 2015). "Chirality density wave of the "hidden order" phase in URu2Si2". Science. 347 (6228): 1339–1342. arXiv:1410.6398. Bibcode:2015Sci...347.1339K. doi:10.1126/science.1259729. PMID 25678557. S2CID 30976070.{{cite journal}}: CS1 maint: numeric names: authors list (link)
  2. Premala Chandra; Piers Coleman; Rebecca Flint (31 January 2013). "Hastatic order in the heavy-fermion compound URu2Si2". Nature. 493 (7434): 621–626. arXiv:1207.4828. Bibcode:2013Natur.493..621C. doi:10.1038/nature11820. PMID 23364741. S2CID 205232317.
  3. Goll, Gernot (2006). Unconventional Superconductors: Experimental Investigation of the Order-Parameter Symmetry. Springer. pp. 107–111. ISBN 978-3-540-28985-2.
Uranium compounds
U(II)
U(III)
Organouranium(III) compounds
  • U(C5H5)3
    • U(IV)
    Organouranium(IV) compounds
  • U(C8H8)2
  • U(C5H5)4
  • U(C5H5)3Cl
    • U(IV,V)
    U(IV,VI)
    U(V)
    U(VI)
    U(XII)
    • UO6 (hypothetical)
    Ruthenium compounds
    Ru(0)
    Ru(I)
    Ru(II)
    Ru(II,III)
    Ru(III)
    Ru(IV)
    Ru(V)
    Ru(VI)
    Ru(VII)
    Ru(VIII)
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